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Keto Peanut Butter Brownie Cupcakes and a Giveaway!

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Mind-blowing keto brownie cupcakes stuffed with sugar-free peanut butter cups. These brownie cupcakes are so good, no one will ever realize that they are low carb and grain-free. Your friends and family will swoon! And less only 4g net carbs per serving.

Peanut butter stuffed brownie cupcakes in a pile with one cut open

You know when you bite into something and you think it might actually be the best thing you ever ate?

These peanut butter cup brownie cupcakes are just like that. One bite and you think Oh my god, where have you been all my life, you amazing dessert? Why have I never had you before?

And then you also think, oh my merciful heavens, how can this decadent treat possibly be keto? Is someone playing a trick on me? Have I accidentally picked up my friend’s dessert instead? Am I losing my ever-loving mind?

Rest assured, dear reader, you are not losing your mind. And you haven’t been tricked or accidentally fallen face first into a plate of forbidden high carb brownie cupcakes.

All is well and you are safe. They really are keto and they really are that amazing. And they are deliciously easy to make, too.
 Pouring brownie batter over low carb peanut butter cups

Inspiration for Peanut Butter Cup Brownie Cupcakes

New developments in the keto world have made these glorious keto brownie cupcakes possible.

Not least among them are the new no sugar added treats by Lily’s Sweets. They now make their own peanut butter cups, chocolate covered almonds, and chocolate covered peanuts. And they are all absolutely delicious.

I often make my own keto peanut butter cups and they are wonderful. But while they are pretty simple to make, it’s nice to have someone else do the work for a change. Plus I always see these high carb recipes stuffed with peanut butter cups and they always look so good.

For a while now, I’ve been jealous that they have ready options and I don’t. But now I do. Hooray!

I actually intended to make these brownie cupcakes even easier by using ready-made keto brownie mix by Good Dee’s. But as luck would have it, I actually had the chocolate cake mix in my pantry and not the brownie mix.

Although peanut butter cup stuffed chocolate cupcakes would also be very good, I had rich fudgy brownies in mind and I really really wanted that. So I made the batter for my own keto brownies, which are incredibly easy anyway.

You could do it either way and the results would be amazing. Mine were so good, I thought I’d died and gone to heaven!

A keto brownie cupcake being dipped into chocolate peanut butter glaze

Giving Away these Keto Brownie Cupcakes

I loved these keto treats so much that a few of them actually traveled with me all the way to Austin, Texas for KetoCon. I’d made them the day before I went, and I left the bulk of them behind for my kids and husband.

But they were so delicious, I couldn’t bear to leave them all behind. So I squirrelled two away in my carry on and it was so wonderful to have such a delicious treat waiting for me back in my hotel room. They actually traveled surprisingly well!

I do know that the ingredients for these are not available yet for everyone. Lily’s has released their peanut butter cups and I’ve found them in my local Whole Foods, but they aren’t yet available on Amazon.

So I decided to be super generous and send one lucky winner three bags of the peanut butter cups and a bag of Good Dee’s Brownie Mix. 

Because I am awesome like that. Scroll down to the giveaway below for full details.

A pile of peanut butter brownie cupcakes on a white table.

Making Brownie Cupcakes from Scratch

I also realize that some of you may want to make these decadent stuffed brownies from scratch. That is possible too, my friends. Here’s what you would do:

  1. Make a batch of my low carb peanut butter cups. Let them cool and refrigerate or freeze before adding them to your brownies. You may need to make them a bit smaller so that you can get 15 out of them for the recipe.
  2. Mix up the keto fudgy brownie batter and follow the directions below for assembly and baking.
  3. Make the chocolate peanut butter glaze as directed below.
  4. Eat and be happy!

Definitely more work involved doing it this way but also very tasty!

Brownie cupcakes on a cooling rack with chocolate glaze dripping down.

The Giveaway – Entry and Rules

  1. Open to US and Canadian Residents only. Must be 18 years of age or older to enter.
  2. If you are the winner and you live in a really hot location, you and I should discuss when it’s best to send these to you. I really want them to get to you intact and not be a melted mess! We may need to wait until the fall.
  3. Enter following the directions in the Rafflcopter Widget below. It works best on desktop, FYI, so if you are having trouble on mobile, switch to a full computer.

a Rafflecopter giveaway

Want more Keto Brownie Recipes?

Salted Caramel Brownie Bites

Keto Brownie Cheesecake

German Chocolate Brownies

Almond Joy Brownies

Keto Snickers Brownies

Peanut Butter Cheesecake Brownies

5 from 41 votes
A pile of peanut butter brownie cupcakes on a white table.
Print
Keto Peanut Butter Brownie Cupcakes
Prep Time
30 mins
Cook Time
30 mins
Total Time
1 hr
 

Mind-blowing keto brownie cupcakes stuffed with sugar-free peanut butter cups. These brownie cupcakes are so good, no one will ever realize that they are low carb and grain-free. Your friends and family will swoon! And less only 4g net carbs per serving!

Course: Dessert
Cuisine: American
Keyword: brownie cupcakes, peanut butter cup brownies
Servings: 15 servings
Calories: 202 kcal
Ingredients
Instructions

  1. Preheat the oven to 350F and line two muffin tins with 15 silicone liners. Parchment also works but not quite as well. (If you don't have more than one muffin pan, you will need to work on batches. You can also used greased 4-ounce ramekins for the remainder).

  2. Prepare the brownie batter as directed. Scoop about 1 tablespoon of batter into the bottom of the prepared muffin cups.

  3. Take one peanut butter cups and press into the batter. Divide the remaining batter among the muffin cups and spread to cover the peanut butter cups.

  4. Bake 20 to 30 minutes, depending on how fudgy you want them. Take them out when they are still a bit wet in the middle for fudgier brownies, or let them bake completely for more cakey brownies. Remove and let cool completely.

  5. Place the peanut butter, butter, and chopped chocolate in a microwave safe bowl. Heat on high in 30 second increments, stirring in between, until smooth.

  6. Whisk in the powdered sweetener until smooth. Dip the tops of the cooled brownies in the glaze and place on a baking rack until set, about 30 minutes. You can also refrigerate them to set them faster.

Nutrition Facts
Keto Peanut Butter Brownie Cupcakes
Amount Per Serving (1 cupcake)
Calories 202 Calories from Fat 174
% Daily Value*
Fat 19.3g30%
Carbohydrates 6.8g2%
Fiber 3g12%
Protein 5.9g12%
* Percent Daily Values are based on a 2000 calorie diet.

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. 5 stars
    These look wonderful. I haven’t tried the Lily’s pb cups so this is an excellent excuse to go buy some!

    Reply

  2. 5 stars
    You had me at peanut butter cup brownie cupcakes!
    I’m giving this recipe 5 stars even before I make a batch because I know they will be delicious.
    Every recipe you publish is Keto perfection!
    Cheers! 💗

    Reply

    • These sound glorious. I can’t wait to attempt them from scratch, I’m not if I’ll be able to share ha!

      Reply

  3. I’m psychic because I see these in my future!
    Perhaps when I travel to Williamsburg in the fall to help keep me on track. Or before. Or both!

    Reply

  5. These look awesome! And to not have to make my own peanut butter cups sounds great. I have a hard time fitting in all the cooking from scratch. I prefer cake-like brownies but won’t turn down these.

    Reply

    • I have heard so many good things about Good Dee’s mix. Would love to try it. Lilly’s is sure branching out too saw that they are making chocolate covered nuts plus milk and Semisweet chocolate chips.

      Reply

  8. Already a subscriber to your awesome newsletter! Both ways – fudgey or cake-y are my way! Will definitely be making these peanut butter brownie cupcakes. Thanks for the recipe

    Reply

  11. Oh my gosh! I’m drooling! I LOVE a fudgy brownie! I’ve made a lot of Keto desserts in the last five years, but nothing quite as amazing as these look!

    Reply

  15. I like mine more on the fudgy side but slightly cake too. Right in the middle! And these look insanely good!! Thank you😘

    Reply

  17. I like my brownies more on the fudgy side. More importantly, I love having a treat that travels well!

    Reply

  19. These brownies look so delicious! I like my brownies fudgy, soft and gooey! I will definitely be making these!

    Reply

  23. I don’t really have a preference with brownies. I kinda like them chewy, though. These look decadent!

    Reply

  32. I prefer cakey brownie…, with a hint of mint OR peanut butter… or coconut… or cherry… or…….

    Reply

    • 5 stars
      Fudgie brownies! Have a WF near might have to do road trip! You come up with best recipes for tge not so great bakers!

      Reply

  36. Fudgey or cakey? Hmm, both are good but I think I prefer somewhere in between, but probably closer to fudgey. 🙂

    Thanks for hosting this giveaway! I love all your recipes!

    Reply

  40. I can’t wait to make these! They look so fudgy and decadent. This made my day, thank you!

    Reply

  43. oh heck fudgy please and never have put the extra chocolate on top as just swirl in my peanut butter or almond butter. Now have some new ways to try. Thank you and yum

    Reply

  51. I like cakey brownies. They have lily’s peanut butter cups at my North California Sprouts store so I’ve had a bag of them and the almonds.

    Reply

  52. 5 stars
    These look amazing! I have found the peanut butter cups on the Netrition website but will also try them from scratch. Thank you for once again feeding my brownie addiction. (in a very good way)

    Reply

  56. I like them both ways (Have your cake and eat it too lol)
    These would be out of the ballpark Cakey AND fudgy!!!

    Reply

  59. 5 stars
    These look amazing! I love a fudgey brownie and I know these will be delicious as is everything you create! I already subscriber, and I am so excited that Lily’s is making peanutbutter cups! I hope to be able to find them in stores soon!

    Reply

  60. These look amazing!!! I love a fudgy brownie and this is ten times more decadent than any Keto brownie I’ve ever made. I’m SO excited to make these. I will be making a trip to my local Whole Foods to see if they have these peanut butter cups.

    Reply

  63. I’ve had the Lily’s peanuts and they are delicious, definitely looking forward to trying the cups!!

    Reply

  64. I haven’t heard of Lily’s before! The hardest thing about keto for me has been making everything from scratch, but I have grown to think that I really know what I’m getting if I make it myself, so I’m learning to appreciate it. Plus, it’s so much less expensive…

    I’m a fan of brownies, so long as they’re chocolatey. That’s my only real requirement. 😄

    I wish I’d read this blog a while back, because I didn’t even know there was a KetoCon! Ah, well. I connected with them, to, so I’ll know about it next year!

    Reply

  68. Love them fudgy! Will definitely pick up Lily’s new treats and make this new recipe! So happy we can make these amazing desserts now and stay low carb!

    Reply

  69. I like my brownies ANY WAY I CAN GET THEM IF THEY’RE GOOD! I’ve been searching for a very excellent tasting brownie for some time. All I’ve tried just don’t quite fir the bill. these are now on my I must make list!!

    Reply

  71. Fudgy or cakey? Fudgy if I have to choose, but you really can’t go wrong with brownies! These look delicious!

    Reply

  74. 5 stars
    Have never had one of Carolyn’s recipes fail. I’ve been following her blog for at least 7 years, and am so thrilled how delicious everything is. I made the biscuits from her breakfast book this morning, and had to walk away as I’ve eaten too many, lol. Am giving this recipe all the stars since I know the recipe will work beautifully. And IMHO, A PB cup in a pudgy brownie is genius.

    Reply

  76. I used to like cakey, now I think I like fudge-y better! I can’t wait to try these. Peanut butter cups are my kryptonite!

    Reply

  78. Glad to see Lily’s is expanding their product line. Now if you could get them to make white chocolate chips my low carb arsenal would be complete.

    Reply

  84. I love them fudgey! Also, which Whole Foods carries the Lily’s peanut butter cups? I live in the Portland area (Troutdale) and just might have to make a special trip to get them. Yummm.

    Reply

    • I found them at the one at 15th and Fremont (but they only carry the dark chocolate) and the one in Hollywood (they carry the whole new line of treats!).

      Reply

  85. 5 stars
    I have loved every one of your recipes that I’ve tried. Can’t wait to try these! I prefer fudgy brownies and making these will provide that and hopefully a little of the crispy edges I’ve been missing.

    Reply

  91. 5 stars
    Years ago, when I was working at a food stand at Disneyland one of our morning prep jobs was trimming and cutting up the giant sheet pans of brownies (sent over from the main kitchen) The call would go out when ever there was an especially fudgy pan and the trimmings would disappear in seconds…so there does seem to be a prevalence of lovers of the fudgy brownies. I am happy with any brownie anytime (especially warm and topped with ice-cream!)

    I have been staring longingly at Peanut Butter Cup filled brownies for a few years now… I can’t wait to try your recipe.

    Reply

  93. 5 stars
    These look amazing! I’m a fudgey brownie kind of gal – and peanut butter cups takes it over the top yum!

    Reply

  94. 5 stars
    These look so yummy! I ❤️ my brownies kind of fishy and can’t wait to try these! Thank you for all of your efforts and amazing recipes!

    Reply

  97. Right now I’d like any kind! Keto for almost 2 months, 18 pounds gone and haven’t cheated once! Your recipes are a life-saver!

    Reply

  104. Fudgey! When I am craving brownies, that’s the consistency I find myself craving the most!

    Reply

  105. These look amazing. I can’t wait to try them. I’ see a trip to Whole Foods in my near future to look for the peanut butter cups.

    Reply

  106. Your brownies are amazing! Best brownie recipe I’ve ever made. Fudgey & dense just the way I like them. My only complaint is I want to eat too many! Or I’d like them twice as thick for more fudgey goodness! I omit the chocolate chips & opt for a chocolate glaze.

    Reply

  108. I’d love to try the recipe. I’ve never used either of these ingredients but they sound delicious!

    Reply

  113. Chocolate and Peanut butter are the world’s perfect food combination! These look amazing and I can’t wait to try the Lilly’s PB cups. I like my brownies fudgy!

    Reply

  122. I like my brownies on the fudgy side! But who would refuse a cakey brownie either! 😉

    Reply

  125. 5 stars
    I am so excited to try these. We have loved almost everyone of your recipes! Thank you so much for helping us go sugar free!

    Reply

  130. These look and sound amazing! I like a fudgie brownie. Then, you add a peanut butter cup? What?! Ummm!

    Reply

  131. Fudgy brownies are the best!!! I love that the recipe can go either way or hit a middle ground since my kids all have their own preferences for that!

    Reply

  138. 5 stars
    I can’t wait to try these! My 2 favorite flavors in one. I will have to find the Lily ‘s peanut butter cups and make your brownies. Thank you for the chance.

    Reply

  143. I will be making these tomorrow! I love fudgy brownies. I’ll have to make my own peanut butter cups until I can find the Lily’s brand, but these look awesome!

    Reply

  149. Fudgy, by far! 🙂 This is such an awesome combination. Cannot wait to try! Thanks for all your hard work on these fabulous recipes!

    Reply

  150. Can’t wait to try these, and to find Lily’s PB cups locally. I like my brownies fudgy, but I certainly wouldn’t turn down cake-y! LOL!

    Reply

  156. You’re killing me. Fudgy brownies and peanut butter cups are my only two sweet vices. I’ll have to go scratch made, as there are no Lily’s cups near me, but I’m okay with that.

    Reply

  157. I like my brownies a cross between fudge-y & cakey. A nice balance makes them taste wonderful. I may lean towards the fudge-y side just a smidge lol. I also enjoy a whipped chocolate frosting on top, or melted Lilly’s chocolate yum!

    Reply

  159. I love your recipes! And my hubs is a peanutbutter and chocolate fiend, so this recipe will make him happy. Thank you for sharing all of your wonderful creations!

    Reply

  165. Can’t go wrong either way! Excited to try these!! My husband keeps sending me your recipes. Need to try. 😂

    Reply

  167. 5 stars
    I like ooey gooey fudgy brownies.

    Carolyn, thank you so, SO much for all of your delicious recipes and treats. You’re amazing!

    Reply

  175. I love my brownies! Honestly, cakey or fudgy depends on the day I’m having. The main thing that matters is that they are rich, chocolatey and mine! Thank you!

    Reply

  177. These sound yummy! I’ll have to wait for Amazon to get on the ball bc I live in a food desert! But, I love my brownies fudge and my cake cakey!

    Reply

  179. I love fudgy brownie (I make your fudgy brownie recipe weekly, no exaggeration) and I love peanut butter, what could be better?! (Well, other than winning the contest, ha ha!)

    Reply

  184. I prefer fudgy … I’ve never made one of your recipes that I didn’t love! Thanks for all you are doing to make it easier on the rest of us!

    Reply

  185. These sound too good to be true! I will be attempting them from scratch and see how they turn out. I know they will be worth every ounce of effort! Love brownies that are fudgy, or warmed up a little in the microwave.. so good!

    Reply

  187. Hoping Lilly’s peanut butter cups are available in my neck of the woods soon! These look so delicious 🤤

    Reply

  188. What an intriguing combination. I like my brownies dense and on the chewy side. (Is that “fudgy,” technically? I don’t think of fudge as chewy…) Would I refuse a cakey keto brownie? Of course not, and especially not with a nice layer of frosting. But I’m pretty sure the proper term for that dessert is “cake.” 😁

    Reply

  190. 5 stars
    Carolyn you are KILLING ME!! I want to try every recipe you post and all that are in your cookbooks. SO, I have everything to make the peanut butter cups and have that on the list of things to do tomorrow. Now I have to add to that list to make these amazing sounding brownies!

    Thanks for all you do.

    Reply

  198. 5 stars
    I’m already subscribed to your email & it’s totally worth it! I love fudgey brownies & I’d sure love to try out the lilys pnut butter cups!! Either way, these are being made real soon!! Thanks!

    Reply

  199. I love a good FUDGEY brownie! I can’t wait to try this recipe as I already love your keto brownie recipe and with the addition of a peanut butter cup..?! Say whaaaaaat?! You just make me so happy 😃
    I’m also STOKED to learn about Lily’s yummy new offerings, I’m already addicted to their bars and mini chocolate chips, soooo glad there’s some new chocolates goodness from this brand! Pretty please send me some to try? Xoxo e

    Reply

  201. I’m already a subscriber to your newsletter and the proud owner of all your cookbooks. I love my brownies as fudgy as possible. I can’t wait for Lily’s Peanut Butter cups to be available at Amazon.

    Reply

  202. Thanks for this chance to try a yummy treat. I like my brownies any way I can get them. Love your cookbooks. I live in AZ so great idea to delay shipping.

    Reply

  203. I can’t wait to try these!! Every dessert recipe you share I KNOW will turn out and taste like its authentic counterpart. You ROCK Carolyn!!

    Reply

  206. I can’t wait to try these!! Every recipe I’d made from your blog and cookbooks has been fantastic!!!! Thank you so much for putting so much time and effort into your creations! You are the best!!!

    Reply

  225. I love my brownies fudgy! Of course the perfect brownie is served in a skillet with vanilla ice cream and caramel drizzle! I can dream, right?!

    Reply

  227. I like my brownies cakey on the outside and slightly fudgy on the inside. Can’t wait to try these!!

    Reply

  235. Hi Carolyn! I just saw this contest on your Facebook page! Yum! I like my brownies any way they are fixed, but Fudgy with a crust, are my favorite.

    Reply

  238. Carolyn, these look over the top delectable! I cannot wait to try these! Thank you so much for bringing us your wonderful, awesome creations! ❤️

    Reply

  241. 5 stars
    These look so good! I like my brownies fudgey. I’ve only ventured out as far as avocado brownies so far, will have to try your recipe.

    Reply

  246. I’ve never met a brownie yet that I didn’t absolutely fall in love with.. Fudgey cakey.. Just the batter..yummmo!! I love everything brownies!! 💜

    Reply

  252. I can’t rate the recipe yet. Because I haven’t tried it, what I can say is that I can’t wait to make it!! Looks and sounds like heaven! I’ve made two of your recipes for dinner today. I have yet to find a recipe of yours I don’t like. YUMM!! Thank you!

    Reply

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