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August 28, 2018

Roasted Tomato Bisque – Low Carb and Dairy-Free

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Creamy tomato bisque that’s totally dairy free! This lovely low carb roasted tomato soup is thick and delicious, and full of healthy fats. So easy to make and the kids loved it too! Paleo and keto-friendly. This post is sponsored by California Avocados.

Dairy Free Low Carb Roasted Tomato Bisque in a white bowl with a tomato and avocado in the background

There are some recipe ideas that I know from the beginning will be amazing. And then there are some that take me by surprise, because I didn’t expect to like them that much. This delicious dairy free tomato bisque falls into the latter category. I knew it would be tasty enough but I didn’t expect to love it. And love it I did. It’s a fantastic summer soup recipe, perfect for using your fresh garden tomatoes.

What makes this dairy free soup so thick and rich and creamy? Avocados! Hooray for avocados.

Roasted tomato soup being poured into a white bowl from a blender

I’ve long noticed that avocados have a magic thickening power. Every time I blend them into something like a soup or a sauce, I have trouble actually getting the mixture thin enough to pour. They are way better than bananas as a thickener and they happen to be better for you too. More potassium, more fiber, more heart healthy fats.

Check out my Avocado Green Tea Smoothie here. Thick and rich and packed with power!

Seriously, dude, those avocados are amaze-balls. Especially those perfect California Avocados. We have about 1 month left on Cali Avo season and this makes me very very sad. If you see me crying in a corner in the next week or two, it’s because I have to say goodbye to my favourite green fruit for the next few months.

Tomato bisque in a white bowl with avocado slices on top

How To Make Roasted Tomato Bisque

Anyway, I am trying to make the most of what’s left of the season and a light summery soup that used some of my homegrown tomatoes seemed like just the thing. These tomatoes are so perfectly sweet already, but roasting them brings out even more sweet summer flavor. So I tossed them with some oil, salt, and pepper and roasted them for about 30 minutes.

After that, it was ridiculously easy. I simply blended the tomatoes with an avocado and some chicken broth until it was a thick but pourable consistency. I rewarmed it gently in a pan and voila! Our low carb tomato soup was ready to go.

A spoonful of roasted tomato soup above a bowl full of the soup

Here’s the thing about using avocados as a thickener. You can play up the flavor or play it down, according to your taste. Two of my kiddos like avocado but the third one does not. I didn’t tell them that this roasted tomato soup contained any such thing and they all happily gobbled it down.

But you can also play up that creamy avocado flavor by adding some slices as garnish and perhaps a little chipped cilantro. Give it a little southwestern edge, as it were. It’s really up to you.

So there you have it. A healthy dairy-free tomato bisque recipe. You need this in your life!

Top down photo of roasted tomato bisque

5 from 2 votes
Top down photo of roasted tomato bisque
Print
Dairy Free Roasted Tomato Bisque
Prep Time
10 mins
Cook Time
30 mins
Total Time
40 mins
 

Creamy tomato bisque that's totally dairy free! This lovely low carb roasted tomato soup is thick and delicious, and full of healthy fats. So easy to make and the kids loved it too! Paleo and keto-friendly.

Course: Soup
Cuisine: Soup
Keyword: roasted tomato soup, tomato bisque
Servings: 4 servings
Calories: 94 kcal
Ingredients
  • 1 lb fresh tomatoes cored and coarsely chopped
  • 2 cloves garlic peeled
  • 2 tbsp avocado oil
  • Salt and pepper
  • 1 California Avocado pitted and peeled
  • 3 cups chicken broth
Instructions
  1. Preheat oven to 425F and spread tomatoes and garlic in a single layer in a large baking dish. Drizzle with the oil and sprinkle with the salt and pepper. Bake 30 minutes or until tomatoes have caramelized.

  2. Transfer to a food processor or high powered blender. Add the avocado and the chicken broth and blend until smooth.

  3. Transfer to a pot to warm through before serving. It's also delicious served chilled!

Nutrition Facts
Dairy Free Roasted Tomato Bisque
Amount Per Serving (1 cup)
Calories 94 Calories from Fat 71
% Daily Value*
Fat 7.9g12%
Carbohydrates 7.3g2%
Fiber 2.9g12%
Protein 3.7g7%
* Percent Daily Values are based on a 2000 calorie diet.

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Filed Under: Dairy Free, Low Carb, Soups, Chilis & Stews Tagged With: avocado, tomatoes

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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.

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Comments

  1. Pamela says

    August 28, 2018 at 6:03 am

    This looks amazing. A local chain has a pepper jack tomato soup that I miss since switching to Keto woe. I know it would no longer be dairy-free, but I will try this and add in some shredded pepper jack!

    Reply
    • Carolyn says

      August 28, 2018 at 7:25 am

      Hey if you don’t have to be dairy-free, then do what you like. I don’t either but I do love how avocados thicken things without ever needing heavy cream or cream cheese.

      Reply
  2. Betsy says

    August 28, 2018 at 8:32 am

    Wow! I love tomato soup, and I never would have thought to add avocado for thickening. I’ll definitely try it before the season is over. Thanks!

    Reply
  3. Nanabella says

    August 28, 2018 at 9:49 am

    5 stars
    Hi Carolyn! You can always freeze a bunch of avos so you don’t have to go without…😃👍🏻❤️

    Reply
  4. Amy Proctor says

    August 28, 2018 at 3:23 pm

    Hi Carolyn, just wondered if you peeled the tomatoes at all before or after roasting? Can’t wait to try this.

    Reply
    • Carolyn says

      August 28, 2018 at 7:15 pm

      I don’t bother for roasted tomatoes. They taste good with the skin in this case and they hold together better.

      Reply
  5. Tammy Kaylor says

    September 2, 2018 at 10:47 am

    Hi Carolyn,
    I love some basil in my tomato soup. Wondering if I could sub basil for cilantro without altering the dish too much.

    Reply
    • Carolyn says

      September 2, 2018 at 11:09 am

      Sure thing! It would be amazing.

      Reply
  6. Michelle says

    September 7, 2018 at 6:29 pm

    Do you think this would freeze well?

    Reply
    • Carolyn says

      September 7, 2018 at 6:31 pm

      I honestly didn’t try so I can’t say for sure.

      Reply
    • Kay says

      October 6, 2018 at 9:39 am

      I just made this. Not only was it delicious, it froze beautifully into single serve cups! Yum!

      Reply
      • Carolyn says

        October 6, 2018 at 12:17 pm

        So glad to hear that!

        Reply
  7. Sarah says

    October 22, 2018 at 8:35 pm

    Just made this- it’s delicious! I ended up going back and roasting another pound of tomatoes- I think my avocado was too big so my first try tasted a little heavy on the avo- adding in more roasted tomatoes worked perfectly!

    Reply
  8. Fiona Jones says

    February 19, 2019 at 7:01 pm

    5 stars
    This is really delicious & simple to make. My recommendation: make a double batch!
    We’re new to keto & this site gives delicious ideas. Before going keto, we used to eat vegetarian half the week. I really relish keto veg recipes. Most aren’t filling enough for my husband. I’d welcome more!
    Thanks for this. It’s delightful.

    Reply
    • Carolyn says

      February 19, 2019 at 10:33 pm

      Glad you liked it!

      Reply
  9. Martine Dubois says

    July 20, 2019 at 11:20 am

    Omg! We just made it and not only os ot so quick but sooo yummy!

    Reply
    • Carolyn says

      July 20, 2019 at 2:15 pm

      Glad to hear it!

      Reply

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Carolyn PortraitLooking for the best low carb recipes? You've come to the right place! I'm Carolyn, a major carnivore and an unrepentant sweet tooth. Here you will find all you need to enjoy the low carb keto lifestyle to the fullest! Read more

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