Easy Keto Tomato Bacon Cheddar Soup

This easy keto tomato bacon cheddar soup is a rich, creamy, low-carb tomato soup made with tomato paste, sharp cheddar cheese, crispy bacon, and heavy cream for a satisfying bowl that comes together with simple pantry ingredients.

If you have been craving classic tomato soup but want to keep things keto-friendly, this homemade version is a delicious way to enjoy those familiar flavors without relying on canned soups that often include added sugar, starches, or fillers.

It has all the flavor of a keto tomato bisque with bacon, but it is much easier to make.

The cheddar cheese and heavy cream give the soup a velvety texture, while the bacon adds a smoky, savory flavor that makes every spoonful feel extra satisfying.

Best of all, this low-carb tomato soup is gluten-free, sugar-free, and hearty enough to enjoy as a light meal, especially when paired with keto cornbread, keto biscuits, or a simple green salad.

Be sure to check out our entire collection of keto soup recipes, for more delicious options.

Why This Keto Tomato Bacon Cheddar Soup Recipe Works

• It uses tomato paste for a deep tomato flavor that works year-round.
• The cheddar cheese and heavy cream thicken the soup naturally without flour or cornstarch.
• Crispy bacon adds smoky flavor and makes the soup more filling.
• It is low-carb, keto-friendly, gluten-free, and sugar-free.
• It comes together quickly with ingredients you may already have on hand.
• It gives you the taste of creamy tomato bisque without the extra carbs.

Is Tomato Soup Keto Friendly?

Tomato soup can be keto-friendly, but it depends on how it is made. Many traditional canned tomato soups include added sugar, flour, or starches, which can quickly raise the carb count.

This homemade keto tomato soup keeps the carbs lower by using a chicken or vegetable stock, heavy cream, cheddar cheese, and bacon. The result is a creamy tomato cheddar soup that fits much better into a low-carb lifestyle.

The key is to avoid thickeners that are not keto-friendly. In this recipe, the richness comes from cheese and cream instead of flour.

Keto Tomato Bisque With Bacon Flavor

Although this is not a traditional bisque, it has the creamy texture and rich tomato flavor people love in a tomato bisque. The bacon gives it a smoky depth, while the sharp cheddar cheese makes the soup extra flavorful.

Think of it as a keto tomato bisque with bacon and cheddar, made in a way that is simple, practical, and perfect for busy weeknights.

Ingredients Needed

With some tomato paste, chicken stock, bacon, cheddar cheese, and a little heavy cream you'll have a heartwarming keto-friendly tomato soup recipe in minutes.

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The following are the ingredients needed to make this recipe. Note the full printable recipe card is at the bottom of the page.

Keto Tomato Bacon Cheddar Soup

• Tomato paste (low sugar option)
• Shredded sharp cheddar cheese
• Heavy whipping cream
• Cooked bacon (reserve some for garnish)
• Italian seasonings
• Celery salt
• Finely chopped medium-sized onion
• Sea salt
• Crushed garlic cloves
• Red pepper flakes
• Chicken stock or vegetable stock
• Black pepper (to taste)

Soup Toppings

• Shredded cheddar cheese
• Sour cream
• Cooked crispy bacon
• Fresh basil leaves or parsley

How To Make Keto Tomato Bacon Cheddar Soup

Start by cooking the bacon in a large soup pot until it is nice and crisp. Once cooked, remove the bacon from the pot and set it aside for garnish.

Be sure to reserve some of the bacon fat in the pot because this is what gives the soup a wonderful smoky flavor right from the start.

Next, add the chopped onion to the bacon fat and cook until it softens and becomes translucent.

Stir in the garlic and allow it to cook briefly, just until fragrant. You do not want the garlic to burn, so keep a close eye on it.

Add the tomato paste, Italian seasoning, celery salt, sea salt, black pepper, and red pepper flakes.

Stir everything together and let the tomato paste cook for a minute or two. This small step helps deepen the tomato flavor and keeps the soup from tasting flat.

Pour in the chicken stock or vegetable stock and stir until the tomato paste is fully combined with the broth. Bring the soup to a gentle simmer and let it cook until the flavors have had time to come together.

Once the soup has simmered, lower the heat and stir in the shredded cheddar cheese and heavy cream.

Continue stirring until the cheese melts completely and the soup thickens. The cheddar and cream are what give this keto tomato soup its creamy, bisque-like texture.

Serve the soup hot and garnish each bowl with sour cream, extra cheddar cheese, crispy bacon, and fresh basil or parsley.

Tips For The Best Low-Carb Tomato Soup

Use a low-sugar tomato paste for the best keto-friendly option. Tomato paste gives this soup a rich tomato flavor without needing canned tomato soup.

Cook the tomato paste for a minute or two before adding the stock. This helps mellow the acidity and gives the soup a deeper flavor.

Add the cheese over lower heat and stir well so it melts smoothly into the soup. High heat can cause the cheese to separate or become grainy.

For a smoother tomato bisque-style soup, use an immersion blender before adding the cheddar cheese and heavy cream.

Use sharp cheddar cheese for the best flavor. Mild cheddar will work, but sharp cheddar gives the soup a richer taste.

Recipe Variations

• For a spicier soup, add more red pepper flakes or a dash of hot sauce.
• For a smoother keto tomato bisque, blend the soup before stirring in the cream and cheese.
• For a vegetarian version, skip the bacon and use vegetable stock. You can sauté the onions in butter or olive oil instead.
• For an extra cheesy soup, add a little more shredded cheddar just before serving.
• For a heartier meal, serve it with a side of keto cornbread or a simple protein like grilled chicken.

Storage And Reheating Tips

Store leftovers in an airtight container in the refrigerator for up to 5 days.

Reheat the soup gently on the stovetop over low heat, stirring often. You can also reheat it in the microwave in short intervals, stirring between each one.

I do not recommend freezing this soup after the cheese and cream have been added because dairy-based soups can separate once thawed.

If you want to freeze it, make the soup without the cream and cheese, then add them after thawing and reheating.

Frequently Asked Questions

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