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    Home » Soup

    Creamy keto tomato soup

    Published: Sep 3, 2021 · Updated: Sep 3, 2021 by Anna · This post may contain affiliate links · This blog generates income via ads ·

    Jump to Recipe

    Made with roasted tomatoes, onions, garlic, and chicken stock, this creamy keto tomato soup is the gluten-free dish that one craves on a cold day. It's a very comforting food that you can make for your family and friends in under 30 minutes.

    A white bowl filled with creamy tomato soup topped with freshly chopped basil and crumbled feta cheese.
    Jump to:
    • Ingredients you will need
    • Step by step directions
    • Serving ideas
    • Carbs in easy keto tomato soup recipe
    • FAQ
    • More keto soup recipes
    • Recipe

    Ingredients you will need

    Fresh tomatoes - Juicy vine tomatoes are perfect for this low carb keto soup recipe. If you decide to use Roma or Plum tomatoes instead, you might need to add extra chicken stock as these types have less water content. No matter which tomato type you use, make sure that they are ripe!

    Onions and garlic - I use yellow onions and garlic as aromatics. If you want your soup to have an extra sweetness to balance out tomatoes acidity, replace yellow onions with red ones.

    Seasoning - Salt, black pepper, and a pinch of cayenne pepper - the combination that always works!

    Chicken stock - I prefer chicken stock for my low carb tomato soup, but you can replace it with a vegetable one.

    Fats - I use olive oil to roast the tomatoes and butter to cook the onions and garlic. You can use olive oil for both or choose avocado oil instead.

    Heavy cream - It should be at least 36% fat to prevent curdling.

    Step by step directions

    Preheat the oven to 200C (390F) and line a baking sheet with parchment paper.

    Place tomatoes on the baking sheet, drizzle with olive oil, and season with salt and black pepper to taste. Bake for 25 minutes or until the tomatoes have brown spots on the skin.

    Melt the butter in a stockpot over a medium heat. Add onions, cook until softened, then add garlic, season with salt and cayenne pepper, and cook until golden. Remove from the heat.

    6 steps collage image showing how to make keto tomato soup.

    When the tomatoes are done, remove them from the oven and place them into the stockpot with onions and garlic. Season with salt and cayenne pepper and cook together for 2 minutes over a medium heat, stirring occasionally. 

    Add the chicken broth, bring to a light simmer, and cook for 5 minutes. Then, add the heavy whipping cream, let the soup cook for an additional 2 minutes, taste, and add more salt if needed. Remove the pot from the heat and, using an immersion blender, cream everything together until smooth.

    Pour our low carb soup into a serving bowl, garnish with some freshly chopped basil, and serve.

    Serving ideas

    Keto-friendly low carb bread, like these KETO DINNER ROLLS and MICROWAVE KETO BREAD, or crackers like LOW CARB CHIA CRACKERS and KETO SEED CRACKERS are perfect to serve with a fresh tomato soup. If you want something more fulfilling, make grilled cheese sandwiches to serve on the side. You can check the recipe here >> KETO GRILLED CHEESE. 

    A spoon fll of tomato soup with fresh basil leaf.

    Carbs in easy keto tomato soup recipe

    This delicious homemade tomato soup is just perfect for a low carb and keto diet. This recipe will serve 5 people with around 7g net carbs per serving.

    FAQ

    How long does tomato soup last in the fridge?

    Stored in the fridge, tomato soup will last for up to 3 days.

    Can I freeze it?

    Yes, you can! Let the soup cool down completely before freezing. You can freeze it in a large air-tight glass container or freezer bags for about 3 months.

    Can I make keto tomato soup with canned tomatoes?

    Yes, you can – and it's a time saver for many people. Cook your aromatics first, then add canned tomatoes (1 large can/ 28 ounces) and continue cooking according to the recipe instructions.

    A hand dipping piece of bread into a bowl with tomato soup garnished with basil leaved and topped with crumbled feta cheese.

    More keto soup recipes

    KETO CAULIFLOWER SOUP

    CREAMY KETO BUTTERNUT SQUASH SOUP

    HEALTHY KETO ZUPPA TOSCANA SOUP

    Recipe

    Close up shot of a soup bowl with tomato soup topped with fresh basil and crumbled feta cheese.

    Creamy keto tomato soup

    Made with roasted tomatoes, onions, garlic, and chicken stock, this creamy keto tomato soup is the gluten-free dish that one craves on a cold day. It's a very comforting food that you can make for your family and friends in under 35 minutes.
    Print Pin Rate
    Course: Lunch
    Cuisine: American
    Keyword: Gluten-free soup, keto soup, Tomato soup
    Prep Time: 5 minutes
    Cook Time: 30 minutes
    Total Time: 35 minutes
    Servings: 5 servings
    Calories: 170kcal
    Author: Anna

    Equipment

    • Stockpot (2-3qt or 2-3litters)

    Ingredients

    • 2 lb. 910g vine tomatoes halved lengthwise
    • Olive oil
    • Salt
    • Freshly ground black pepper
    • 1 small 50g yellow onion chopped
    • 2 clove garlic chopped
    • 2 tablespoon butter
    • Pinch cayenne pepper
    • 2 cup 450ml chicken broth
    • ¼ 75g cup heavy cream

    Serving ideas

    • Keto dinner rolls
    • Microwave keto bread
    • Fresh basil
    • Feta cheese crumbled

    Instructions

    • Preheat the oven to 200C (390F) and line a baking sheet with parchment paper.
    • Place tomatoes on the baking sheet, drizzle with olive oil, and season with salt and black pepper to taste. Bake for 25 minutes or until the tomatoes have brown spots on the skin.
    • Melt the butter in a stockpot over medium heat. Add onions, cook until softened, then add garlic, season with salt and cayenne pepper, and cook until golden. Remove from the heat.
    • When tomatoes are done, remove from the oven and place into the stockpot with onions and garlic. Season with salt and cayenne pepper and cook together for 2 minutes over a medium heat, stirring occasionally.
    • Add the chicken broth, bring to a light simmer, and cook for 5 minutes. Then, add the heavy cream, let the soup cook for an additional 2 minutes, taste, and add more salt if needed. Remove the pot from the heat and, using an immersion blender, cream everything together until smooth.
    • Pour into a soup bowl, garnish with some freshly chopped basil, and serve.

    Notes

    NET CARB: 7g
    Stored in the fridge, tomato soup will last for up to 3 days
    Freeze it in a large air-tight glass container or freezer bags for about 3 months.
    Nutrition Facts
    Creamy keto tomato soup
    Amount Per Serving (1 serving)
    Calories 170 Calories from Fat 90
    % Daily Value*
    Fat 10g15%
    Potassium 36mg1%
    Carbohydrates 9g3%
    Fiber 2g8%
    Sugar 7g8%
    Protein 3g6%
    Vitamin A 211IU4%
    Vitamin C 1mg1%
    Calcium 15mg2%
    * Percent Daily Values are based on a 2000 calorie diet.

    This website, https://heretocook.com, offers nutritional information for recipes contained on this site. This information is provided as a courtesy and should not be construed as a guarantee. This information is a product of online calculators such as Cronometer.com and MyFitnesPal.com

    Tried this recipe?Mention @heretocook or tag #heretocook!
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    Hey there! My name is Anna and I am here to cook healthy meals that taste delicious. Here you’ll find low carb high fat, keto, paleo recipes for any occasion! Read More

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