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Keto Banana Bread

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Look no further for the best keto banana bread recipe. Ground chia seed, that nutritional powerhouse, gives this bread the perfect banana bread texture without the sugars or carbs.

Titled image of a slice of keto banana bread on a white plate, smeared with butter.

I’m excited to bring you this updated Keto Banana Bread recipe, as well as a how-to video! This recipe first debuted on my blog in May 2014, but now it’s easier to make and lower in carbs. I know you’re going to love it.

This recipe bread took me a little while to perfect but it was definitely worth all the work. After all, banana bread is very possibly the most comforting of baked goods. Who among us hasn’t had a grandmother or caring friend make us banana bread as a sign of their deepest affection?

And if you’re a mother, surely you’ve made numerous batches of banana bread for your own kids to let them know how much you love them.

Baking keto banana bread is an act of love – all the more so because it won’t raise the blood sugar of you or your loved ones. Along with keto oatmeal cookies, or keto cinnamon rolls, this low carb banana bread recipe is a sign of your love and devotion.

Keto banana bread with chocolate chips, still in the pan.

Banana-free banana bread?

I do have to tell you a funny story about this keto banana bread. Back when it first came out in 2014, I jokingly referred to it as banana-free banana bread, and that seemed to spark a fun little Twitter debate.

Somehow, Nigella Lawson caught wind of it, and made some snide remark, wondering why anyone would make even THINK to make banana bread without any bananas. I wasn’t really offended – if you’re not part of the keto world, you don’t really have a clue about sugars and carbs and how detrimental something like fruit can be.

Very sweetly, however, numerous readers and followers jumped to my defense and fired back at the famous chef, pointing out how diabetes works and how delicious and healthy this bread actually is.

My 15 minutes of fame, all because I made banana bread without any real bananas.

Keto banana bread on a cutting board, with a slice cut out in front.

Updated keto banana bread recipe

While my original recipe was very good, it was also a bit high carb, coming in at 9g per serving. It also had a cream cheese frosting, which was quite tasty but many readers found that they liked the bread best without it.

I’ve learned a lot in the past 6 years of keto baking, so it was time to tackle this recipe again and make it truly keto-friendly. But it still has a special ingredient that gives it real banana bread texture, without using any bananas whatsoever.

The trick is ground chia seed mixed with water. If you’ve ever worked with chia seed, you know it swells up and gels when mixed with water, and the texture is remarkably similar to mashed banana. And when mixed into this keto banana bread, it adds similar moisture and texture as real bananas would.

The banana flavor comes from banana extract. I really like this one from Olive Nation. It’s all natural and it tastes the most like real banana, in my opinion.

Close up shot of keto banana bread smeared with butter

Tips for making Keto Banana Bread

This is an easy and family friendly recipe, and you can have some fun adding nuts or chocolate chips, whatever you like best in your banana bread. Here are my best tips for getting it right:

  1. The chia seed is best if it’s ground up first. I do this in a coffee grinder to catch all the little seeds. You might also have luck in a small food processor or a strong blender.
  2. Mix the ground chia and water first, and let it sit for a bit while you work on the other ingredients. When you’re ready to mix it in, it should be like a thick, gelatinous paste.
  3. How much additional liquid you will need depends quite a bit on your chia gel and how thick it was. If your batter is super thick, keep adding water, a little at a time, until it’s a scoopable consistency. It should not be pourable.
  4. How much banana extract you add depends on  how strong it is. The Olive Nation extract I use has the best flavor and my kids love it so I use about 1 1/2 teaspoons. Some baking emulsions or artificial flavors may be stronger and you’d want to stick with about 1 teaspoon.
  5. You can bake this in any loaf pan. An 8×4 inch loaf pan will make the batter deeper, so it will take longer to bake than in a 5×9 inch pan. The bake times are only rough guides so keep your eye on your keto banana bread when it’s in the oven. If the top is browning too quickly but the center doesn’t seem cooked through, cover it with foil.
  6. This is a wonderfully adaptable recipe! You can add chopped nuts, chocolate chips, shredded coconut… whatever you like best in your banana bread.
  7. As always, let it cool completely before turning it out of the pan or cutting into it. I do recommend running a sharp knife around the edges to loosen it. If your pan is not non-stick, you may even want to make a parchment paper sling to life it out more easily.

Ready to make some delicious keto banana bread?

A stack of slices of keto banana bread in front of two sunflowers

More keto sweet bread recipes

5 from 3 votes
Keto banana bread on a cutting board, with a slice cut out in front.
Print
Keto Banana Bread
Prep Time
20 mins
Cook Time
1 hr 15 mins
Total Time
1 hr 35 mins
 

Look no further for the best keto banana bread recipe. Ground chia seed, that nutritional powerhouse, gives this bread the perfect banana bread texture without the sugars or carbs.

Course: Breakfast
Cuisine: Bread
Keyword: keto banana bread, low carb banana bread
Servings: 12 servings
Calories: 185 kcal
Ingredients
Banana Bread:
Instructions
Banana Bread:

  1. Preheat oven to 350F and grease an 8x4 inch loaf pan very well (you can also use 9x5 but your bread will bake faster). If your pan isn't very non-stick, you may want to line the pan with parchment, and grease the parchment.

  2. Grind the chia seed in a coffee grinder or food processor. Transfer to a bowl and stir in the water. Set aside.

  3. In a large bowl, whisk together the almond flour, sweetener, protein powder, coconut flour, baking powder and salt.

  4. Stir in the eggs, melted butter, chia seed mixture, banana extract, and vanilla extract, until thoroughly combined. Stir in the water to thin the mixture to a scoopable consistency. If it's still very thick, add more water, 1 tbsp at a time.

  5. Stir in the chocolate chips, if using, saving a few for the top of the bread. Spread the batter in the prepared pan and sprinkle the top with the remaining chocolate chips.

  6. Bake 60 to 75 minutes or until golden brown and a tester inserted in the center comes out clean. Let cool in pan 20 minutes, then run a sharp knife around the edges to loosen. Continue to let it sit in the pan until cool, about 20 minutes more.

Recipe Video

Recipe Notes

The nutritional information includes the chocolate chips. Without the chips, each serving has:

Food energy: 168kcal
Total fat: 13.8g
Carbohydrate: 5.3g
Total dietary fiber: 3.2g
Protein: 6.3g

Nutrition Facts
Keto Banana Bread
Amount Per Serving (1 serving = 1/12th of the loaf)
Calories 185 Calories from Fat 136
% Daily Value*
Fat 15.1g23%
Carbohydrates 7g2%
Fiber 4.5g18%
Protein 6.6g13%
* Percent Daily Values are based on a 2000 calorie diet.

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Nutritional Disclaimer

Please note that I am not a medical or nutritional professional. I am simply recounting and sharing my own experiences on this blog. Nothing I express here should be taken as medical advice and you should consult with your doctor before starting any diet or exercise program. I provide nutritional information for my recipes simply as a courtesy to my readers. It is calculated using MacGourmet software and I remove erythritol from the final carb count and net carb count, as it does not affect my own blood glucose levels. I do my best to be as accurate as possible but you should independently calculate nutritional information on your own before relying on them. I expressly disclaim any and all liability of any kind with respect to any act or omission wholly or in part in reliance on anything contained in this website.

Reader Interactions

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Comments

  1. I swear May is the new December. Deanna from Teaspoon of Spice Blog and I were just talking last week about how crazy busy May has all of a sudden become.

    This recipe is genius by the way. Can’t wait to try the chia concoction.

    Question — and we can discuss this in VT this weekend 🙂 but how does your family do with Swerve? I love it and think it’s genius. I’m just hesitant with my family to see if they can taste the difference.

    Reply

    • My kids are great with it. My little one tends not to like it in frostings that don’t contain chocolate, for some reason, but the other two are fine with it in anything. And the little ones likes it in almost everything else.

      Reply

  3. I’m making this today! My hubby is insane for banana bread. BTW, we are also crazy about your delicious chia seed brownies!

    Reply

  6. I would like to see your birth certificate, because I’m pretty sure you were built in some bio-technical lab where they make bionic superwomen.

    I love reading a recipe and realizing that I have every ingredient on hand. When that happens, I know it’s meant to be. It looks like I have some banana bread to bake!

    Reply

    • Okay, at first I thought this had to be spam, with the birth certificate comment. Thanks for the giggle, Jasmine!

      Reply

    • No worries. If you are looking to sub in sugar, you can put in about the same amount I use Swerve.

      Reply

  11. Is the amount of water in the recipe correct? It made a really thick paste for me, not really a jell. It’s baking now- can’t wait to taste it! Thanks for sharing your creations 🙂

    Reply

    • I believe it is, although it’s possible I wrote it down wrong. It should have been the consistency of mashed bananas. Let me know if it doesn’t turn out properly…I will test it again. My kids won’t complain!

      Reply

  12. This looks sooooooo yummy! What size loaf pan did you use? Can’t wait to give it a try! 🙂

    Reply

    • Hemp protein or powdered egg white. It’s not about a dietary supplement, it’s about getting a dry protein to replace the gluten (which is a protein). It helps it rise and hold its shape.

      Reply

  15. Fantastic! Yes, the best banana bread recipe ever. Texture, flavor were perfect. I added 1 cup chopped walnuts & will use 1 cup water for the chia seeds next time. Mine was also like a paste with 1/2 cup water, but it still turned out utterly delicious. Thank you for returning the yummy aroma of banana bread baking to my kitchen.

    Reply

  16. Made this basic cake yesterday (minus the frosting) and had to make a few changes to it because I didn’t have banana extract, unsweetened almond milk or unflavored whey protein. I had coconut extract, unsweetened coconut milk and vanilla flavored whey protein powder (Body By Vi) and so I used them, also omitted the vanilla extract.

    The cake is super moist and dense thanks to the ground chia seeds, which I did have to use close to the full cup of water to get the mashed banana consistency. I had some fresh strawberries that I had been marinating in a sugar substitute and it made a little syrup with the strawberries and I made some whipped cream all to put on top of a slice of cake. It was so delicious, very tropical.

    I just love your recipes and appreciate, very much, all of the work you put into perfecting them. And the stories you include with them are so entertaining.

    Thanks for mentioning that you used your coffee grinder to grind the chia seeds. I had one in the very back of a cabinet that I had completely forgotten about so I dug it out and it worked perfectly. It’ll go back into the cabinet but up front rather way in the back. I’ll have to try it to make the powdered sweetener (from the granular form) for the frostings.

    Reply

  17. Carolyn, if I wanted to make this into muffins instead of a loaf, how much time and at what temp should I bake them? I’ll assume the standard fill of 3/4 on the muffin liners would do? Cupcakes are easier to do for fund raisers than sliced breads are. Thanks for all your wonderful, healthy recipes!

    Reply

  18. Carolyn, I followed all of your directions to a “T” EXCEPT for cooling it off before cutting- not a chance. Within 1 minute, I cut a fat slice, smeared on some of the icing, and almost suffered a heart attack. It was so delicious. Beyond anything anyone has described. Excellent and thank you for taking the time to perfect the recipe….it shows. I’m 3 months into low carb cooking & baking and you are a daily resource of mine. I’ve made 7 of your recipes, all are keepers. Many, many thanks for your work! Please don’t leave us or retire 🙂

    Reply

  19. I could not find ground chia seeds so I got chia seeds with flex in it. Can I use that and does it still need to be ground? Can I use the little grinder I have? Will the chia seeds with flex in it or should I just get the chia seeds?

    Reply

      • Hi Cecelia,
        I think it is important to the texture of the cake to have the chia seeds ground up otherwise the little seeds have a tendency to pop when bitten on in a cake/muffin when they are not ground. And the ground chia seeds is what is supposed to mimic the mashed banana. And the flax will most likely change the flavor a bit. It has kind of an earth taste to it. But then again the Banana extract may mask the taste of the flax but the flax will make the cake a bit more grainy, like the texture of a bran muffin.

        Reply

      • You can grind them yourself…that’s what I do, in a coffee grinder. I think it will be okay.

        Reply

  20. Carolyn, I’ve been craving bananas lately and was thrilled to see a recipe that would allow me to indulge! I wanted to make muffins, but will these (minus the frosting of course) be able to be kept in the freezer? Thank you for all of your wonderful recipes : )

    Reply

    • Yes, these would freeze well. I didn’t do it myself, but I am almost positive that they would.

      Reply

  21. Wonderful recipe and I am so thankful for your work to create it! Thank you!! I have it in the oven and it smells great. (tasted great before I baked it so I am sure we will love it!) 🙂

    Reply

  22. I made this yesterday and added 1 cup chopped walnuts. The texture of the bread is spot on! And the icing is just divine!! I am enjoying a piece right now for breakfast. I never thought eating banana bread would be a part of my low carb diet. Thank You Thank You Thank You!! You are a genius.

    Reply

  23. This is baking right now! Can’t wait! Would you recommend storing in the fridge or on the counter?

    Reply

  24. Can I use gluten free flour instead of almond flour. I have tried all the stores around here and no on carries it. I bought slivered almonds and someone said I have to be very careful because I could be making almond butter if I mix it too long.
    I have everything except the almond flour.

    Reply

    • I think the amounts of other things will change some, because gluten-free flour is drier than almond flour. Start by not putting in any almond milk and then see how your batter is. If it’s REALLY thick, add 1/4 cup, then maybe a tbsp or two more. It should be spreadable but not pourable, if that makes sense.

      Reply

  25. I made this today and it was perfect…even my non low carb husband has eaten 2 pieces! I used 3/4 cup water for chia seeds and egg white protein instead of whey protein baked for 1 hour 15 minutes. I think it may even taste better cold…Thanks for such a great recipe!

    Reply

  26. I was ready to make this the other day and my husband looked at the recipe and said he did not like banana bread so can I use something else like maybe lemon.

    Reply

  28. Hello,

    Sorry if this is a silly question but is banana essence the same as banana extract and will it work for this recipe?

    Thanks!

    Reply

  29. HELP! I just made this and I don’t know what I did wrong! It came out very moist but extremely bland with no banana flavor at all. Should I try doubling the banana extract?

    Thanks!

    Reply

    • Sounds to me like the banana extract isn’t strong enough. I don’t know what brand it is but yes, definitely up the amount!

      Reply

  30. Okay, I was skeptical about this recipe, but can I just say “wow!!!” Delicious, and it even looks like banana bread because of the chia seeds.

    I love your website. We don’t have diabetes, but my daughter was born with neurofibromatosis which causes a host of problems. We were trying to eliminate her focus issues by going gluten free, and while it didn’t solve that problem, her acid reflux is nearly gone. I love that she can enjoy treats made with almond and coconut flours and not miss the gluten-filled ones. Thank you for all of your hard work!

    Reply

  32. Carolyn, this recipe sounds great. After years I have found that liquid splenda works the best for my taste and diet needs. Do you think it would work to use unsweetened coconut to substitute for the swerve in your recipes? For example, using the coconut in place of the swerve in this recipe and using drops of the liquid splenda? I just don’t know what else I could use to replace the swerve besides the granular splenda and I’d rather not. Thanks for your advice. Your recipes are so awesome!

    Reply

    • I wouldn’t replace it cup for cup, I’d maybe just do a few more tbsp of either almond flour or coconut and then sweeten to your liking with the liquid sucralose. For the frosting, the cream cheese gives it structure so you should be fine there.

      Reply

  33. Made this yesterday, and it was a total winner!! Taste, texture, everything. Instead of Swerve in the frosting I used some Torani sugar free salted caramel syrup and a few drops of liquid sucralose. Can’t thank you enough – I really missed banana bread!!!

    Reply

  34. Just made this today. Love it. So good, I feel guilty for eating it…NOT! Would love to add some walnuts or pecans next time!

    Reply

    • Just made this to have take along breakfast to eat at work. But could not wait, had to have a slice.

      Absolutely wonderful. The ground chia seeds are genius. They really do mimic the texture of mashed banana in the bread.

      I did add two handfuls of roughly chopped walnuts as that is they way I used to make my banana bread pre low carb. Just great.

      I also browned my butter before adding to give it another layer of toasty flavor. I think it worked well.

      Thanks Carolyn. Can’t imagine doing low carb without the wonderful baked goods you have give us all.

      Reply

  35. Have you tried making this with the THM Baking Blend? And, if so, how much would I sub (assuming i would sub for the almond & coconut flours & the whey)?

    Reply

  36. I make this bread all the time and it’s awesome and I can’t thank you enough for it.
    I just tried it with corn extract instead of banana and it’s good! Doesn’t taste like cornbread plain, but with butter on it it is just like corn bread!!

    Reply

  37. hello Carolyn
    I am from Australia and have had a few problems finding some of the ingredients for this recipe. Firstly, Swerve doesn’t seem to be available in this country, so i tried using Stevia instead, but this tends to leave a bit of an after-taste which i don’t particularly like. Could i rather substitute with Coconut sugar – this has a much more natural sweet flavour i think.
    Also I could only find Almond meal/ground almonds which the lady assured me was the same as Almond flour but i see one of your comments says it is definitely different. I have read your explanation on Almond Flour and see that the difference is in how much finer ‘flour’ is than ‘meal’. Is there any way of grinding Almond meal finer to make it into flour as there doesn’t seem to be anywhere here to actually buy the flour??
    I also couldn’t find any Stevia extract or Banana extract. I will have to keep looking but wondered if i could just add a bit more coconut sugar instead of the Stevia?
    I am quite new at this game as you can probably see! 🙂

    Thanks

    Reply

    • Well, coconut sugar has carbs so if you’re low carb, I would choose something else, like regular erythritol or xylitol. I have plenty of Australian readers who use these things. You could try grinding the almond meal further in a coffee grinder. You can add more of another sweetener in place of the stevia extract.

      Reply

  38. Hello,
    I would love to try this recipe but I don’t have any chai seed or flour. Is there a substtittue you can recommend? I do have golden flax flour if you think that would work or just more almond flour.
    Thanks in advance!

    Reply

  39. This was the most INCREDIBLE banana bread ever!! I have to make another tonite, we devoured it in my house.

    Reply

  40. Where and what protein powder do you use please ?
    I’ve seen it used in a few recipes, but have no idea where to buy and what it exaclty is ?

    Reply

  41. Have you tried freezing a unfrosted loaf? I love this recipe and have company coming and was wondering about cooking a few loaves up ahead Iof time for the freezer. What do you think?

    Reply

  43. Hi there! I’m getting currently getting my weekend baking goals in order, and as part of that, I plan on giving this recipe a try since my T1D hubby and I have absolutely loved all of the recipes that we’ve tried from your site so far. However, I haven’t made anything with that has called for unflavored whey so far for fear of dry baked goods. May I ask if you still prefer Tera’s unflavored whey? Thank you!

    Reply

  44. I know that it would change the texture a little, but what can I replace the chia seed flour with? I have almond flour, coconut flour, and physillium husk? I prefer to use all almond flour if I can. This cake looks awesome. Thanks for your dedication and hard work in helping people with yummy recipes. -Christy

    Reply

  45. I saw this recipe and knew I had to make it. I couldn’t find Caramel Flavour anywhere so just used vanilla in place of it. I will probably order it online. My husband who won’t eat any of my healthy recipes (he can eat whatever he wants and never gain..hate him), told me I won’t have to worry about sharing because he knows by reading the ingredients he isn’t going to like it and he stated neither will the kids. Well so I made it and it came out exactly like the picture with one exception. My frosting didn’t smear as beautifully as yours did in the picture. Well as it sat there I took a piece and gobbled it up and I nearly fell on the floor. It was sooo good I felt like shoving the whole loaf in my mouth! My kids heard me moan how good it was and came running and wanted to try it and so I gave them a piece and they too were making the same sounds. So here comes my husband wanting to know what all the fuss was about. So he decided to try it. And to his surprise he loved it! He nearly took a bigger piece but I had to take some away because after all this was my cake!!!

    Reply

  46. I notice you use Unflavored Whey Protein Powder in a few of your recipes.

    Whey is known to spike insulin which makes it unfriendly for low-carb lifestyles.

    Reply

    • 1. I use only 1/4 or 1/3 cup per recipe, simply to replace the protein from gluten and help the baked good rise. Spread over 12 to 16 servings, this amounts to very little in each serving so it is NOTHING to concern people.

      2. You should read this article: http://ajcn.nutrition.org/content/82/1/69.full

      3. You are free to use any protein powder you like, including egg white protein.

      Reply

  47. I made this today. Minus the icing because it’s so good on it’s own! Who knew you could friggin have banana bread without bananas! Thank you for a great recipe. Turned out fantastic and I now have to try not to eat it all. In one day lol.

    Reply

  48. Hi Carolyn, are the macros correct? The net carb count remains the same with or without the icing? I assumed the addition of cream cheese and shipping cream would add carbs.

    Reply

    • Yes, they’re correct. The icing isn’t enough to change it that much and these calculations were done on software that doesn’t do decimal points, so…

      Reply

  49. I love this recipe. I made it twice in about ten days. I want to make it again. I am out of chia seeds. Wgat do you think about psyllium husk powder to repkace it?

    Reply

  50. 5 stars
    So I made this recipe today. Looks like banana bread, but didn’t smell like it. BUT THE TASTE! Banana bread…I love you again! Now to try it with the frosting. Lol I admit, I couldn’t wait. Had to cut it while it was hot & slather with butter!

    Reply

  51. I want to make this recipe, but am not sure if either of the banana flavorings that are available to me would make a good loaf. I can either use McCormick that I can get at Winco or Watkins which is avaiable at WalMart.

    Reply

    • I used Watkins and it turned out find. I am going to use a little more than the 1 tsp called for next time.

      Reply

  55. This was excellent! After cooling slightly, I wrapped my loaf while still a little warm. That pulled the moisture in and the next day I was really impressed with the texture and taste! It was good on day 1, but excellent on day 2. Next time I think I will add an extra tsp of banana extract. For the frosting, I actually put all the ingredients in a blender and then saved it to use as a “spread” for the banana bread the next day, (instead of only putting it on the top). Very good!

    Reply

  56. Can chia seeds be ground in a Nutribullet or food processor? I don’t have a coffee grinder.

    Reply

    • Any protein powder would be fine (hemp or egg white protein). But it helps the bread rise and hold its shape so don’t leave it out altogether.

      Reply

  58. 5 stars
    I absolutely LOVE this recipe!! My hubby has a sensitivity to almonds so I subbed out the almond flour for an additional 1/2 cup of coconut flour and added an extra egg. I also used maple extract in the frosting because I was out of caramel. It was amazing!! Hubby loved it, I loved it and my hardcore keto bestie loved it. A keeper for sure!

    Reply

  59. Loved this recipe!! Kept tasting it until it had the right banana flavor. The kid said he liked the texture but not the flavor. Any suggestions on how to adapt this recipe if I wanted to use actual bananas instead? Most banana bread recipes use 3 bananas, maybe half or all 3. He’s not low carb. Everything else I love, the chia seeds definitely made the bread!!

    Reply

  60. So good. I didn’t have Carmel extract so I used a bit of almond and banana flavoring in the frosting. Served with keto chili. Big thumbs up from family. My son asked if it was one of my keto desserts and when I said yes he said it’s the best one yet. I don’t know. I’ve used so many of your recipes in the last 1.5 years and there’s so many good ones! I always come here for recipes. I know they will be good.

    Reply

      • Hi Carolyn, I want to try this recipe today! I have already ground chia seeds. How much of that do you suggest I use? I feel like if I were to grind a 1/.4 c of seeds, the amount of ground would be less.

        Reply

        • You can use the full 1/4 cup. It works out about the same and you can always add a bit more water if your paste is too thick.

          Reply

  62. Thank you for including the nutritional info without the chocolate chips. I was going to ask for the info. Then I saw that it was included.
    I recently purchased Banana extract, so this came at the perfect time.

    Reply

  65. In the description of the recipe at the top it says 16 servings but in the nutritional facts it says 12. Which is it? Thank you.

    Reply

  67. I’m sorry but I was reading comments and someone asked about using heavy cream plus water instead of almond milk but I don’t see almond milk in the recipe?

    Reply

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