Keto Tomato Soup – Low Carb Africa

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Published on . Updated on . By Tayo. This post may contain affiliate links. See Disclosure. 5 Comments

This creamy keto tomato soup is a delicious, hearty replacement for store-bought tomato soup. Best of all, it contains just six net carbs per serving!

keto tomato soup with tomatoes on the side

If you miss regular tomato soup on your keto diet, you’ve come to the right place! This delicious keto tomato soup will scratch that itch but without all the carbs.

Store-bought tomato soup is filled with sugar and cornstarch, which is not ideal on a keto diet. This low-carb tomato soup tastes much fresher and better and has no preservatives.

Another wonderful thing about this keto tomato soup is that it is very budget-friendly. You can quickly get all the ingredients from your local grocery store, and there is a good chance you already have them in your kitchen.

Ingredients Used

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Here are the simple ingredients you need for this low carb tomato soup recipe.

ingredient list of tomatoes, heavy whipping cream and spices
  • Roma tomatoes: I like to use fresh tomatoes, but you can use diced tomatoes. Tomatoes are a bit acidic, but I find that sautéing them for a bit cuts down on the acidity.
  • Chicken broth: This helps to enhance the flavor of the soup. If you don’t have chicken stock, you can use water, but add more spices.
  • Heavy whipping cream: This makes the tomato soup really creamy and adds bulk to it. You can also use unsweetened, full-fat coconut milk or coconut cream.
  • Onions and garlic: To make it more flavorful.
  • Spices: Smoked paprika, black pepper, cumin, cayenne pepper, and salt.
  • Herbs: Herbs bring out another dimension of flavor to this keto tomato soup. You can use cilantro, fresh basil, or parsley.
  • Olive oil: For sautéing. You can also use avocado oil or coconut oil.

How To Make Keto Tomato Soup

  • Chop the onions and tomatoes and mince the garlic. Sauté the onions and garlic in olive oil until translucent.
  • Add the chopped tomatoes and bring them to a boil. Add black pepper, cayenne pepper, smoked paprika, cumin, and stir.
  • Simmer on medium heat for 5 minutes. Add one cup of broth and cook for 10 minutes or till the tomatoes no longer taste sour.
  • Add another cup of water and the heavy cream and mix together.
  • Pour the soup into a blender and puree until smooth. Pour the soup back into a pot and adjust the seasoning if you wish. I always add salt last because broth contains some salt.
  • Simmer till you reach your desired consistency.
collage showing tomatoes making a soup
tomato soup in a blender

How can I thicken keto tomato soup?

Usually, letting the homemade tomato soup simmer on the stove for a few minutes thickens it. But if you’re in a hurry, you can make a slurry.

Mix half a teaspoon of arrowroot powder and a tablespoon of water in a bowl. Pour into the soup and mix together. In about a minute or so, your soup will begin to thicken.

If you need to know about the various keto and low carb thickeners out there, this article is a good place to start.

Storing and reheating

Allow the soup to reach room temperature, then store it in an airtight container in the fridge for up to 4 days. Reheat on the stove for best results.

Tips and variations

  • Cayenne pepper is optional if you don’t like it spicy, but it helps reduce the tomatoes’ acidity.
  • Another alternative to help with the acidity is to add a low-carb sweetener, such as monk fruit, stevia, or allulose.
  • Use fire-roasted tomatoes for a stronger, smoky flavor.
  • If you don’t want to use a regular blender, you can blend your soup using an immersion blender.
  • You can also coarsely blend the soup to make it chunkier if that’s what you prefer.
  • Add some cream cheese or a dollop of sour cream for more creaminess.
closeup of white bowl with tomato soup
best keto tomato soup

Frequently Asked Questions

Why is tomato soup so high in carbs?

Tomato soup is high in carbs because the carbs in tomatoes add up pretty quickly. One tomato contains 4.8g of carbs, and a serving of tomato soup can easily contain a few tomatoes since it thickens up when cooking.

Can you eat tomato soup on the keto diet?

It depends. Store-bought tomato soup can easily contain a lot of carbs which might kick you out of ketosis. The best way to enjoy tomato soup on your keto diet is to make it yourself so you can have more control over your carb intake.

Is tomato soup the same as tomato puree?

No, it is not. Tomato puree is a mix of tomato paste, water, and some other ingredients and preservatives. Tomato soup has been cooked with other ingredients and usually has more flavor. It has less liquid and is a bit thicker than tomato puree.

Related Recipes

Need more low carb soups? Here are some great ideas!

creamy keto tomato soup in a white bowl

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easy keto tomato soup in a white bowl

Keto Tomato Soup

This creamy keto tomato soup is a delicious, hearty replacement for store-bought tomato soup. Best of all, it contains just six net carbs per serving!

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