I am wild about mushrooms, and this Keto Mushroom Soup is such a treat. Rich and creamy, this is a soup that works great for a light meal, or you can make the “condensed” version to use it in casseroles. Either way, I think you will agree that it is downright delicious.

Overhead photo of a bowl of Keto Cream of Mushroom Soup garnished with thyme on a wooden cutting board.

This Keto Mushroom Soup is Pure Comfort Food!

I must confess that I haven’t always loved soup.

Maybe it is the whole living in Florida thing. Warm weather most of the year doesn’t exactly scream soup.

Or maybe it is just that I never had the RIGHT soups.

Since I started following a low carb and keto diet, I find myself craving soup all the time. There is something magical about a rich and creamy bowl of goodness.

My latest obsession is this Keto Mushroom Soup.

Truth be told, when I originally made it, I planned on pureeing it. But then I tried it, and I knew I had to leave it as it was. This recipe is pure bliss, and I think you will agree – this one is a keeper. Cold weather not required.

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How to Make Keto Mushroom Soup

1 First, melt your butter in a large sauce pan.  Add your mushrooms, onions, garlic, and thyme.  Cook for about 7 minutes, or until the mushrooms have released most of their liquid.

Overhead photo of a pot sitting on a wooden cutting board with the ingredients for mushroom soup in it.

2 Next, add the chicken broth and cream cheese.  Cook until the cream cheese melts.

3 Finally, stir in heavy cream and season to taste with salt and pepper.

Frequently Asked Questions

Are mushrooms good for keto?

Yes! Mushrooms are an excellent option for keto! A one-cup serving of sliced mushrooms (70g) has 2.3g of carbohydrates and .7g of fiber. So just 1.6 grams of carbs per serving.

Additionally, mushrooms are a great source of B vitamins, vitamin D, and they contain immune-stimulating properties.

What kind of mushrooms should I use for this recipe?

With more than 300 edible mushroom varieties, there are certainly a lot of options! I’ve made this with both baby Bella’s and white mushrooms, and both were great.

Buying Mushrooms

Many times you can find pre-sliced mushrooms, and if time is of concern, that is certainly an option. I prefer to buy loose mushrooms so that I can inspect them. Mushrooms should feel moderately damp but should not be slimy. The texture should be springy, and the smell sweet and earthy.

Storing Mushrooms

Because they contain a lot of moisture, mushrooms are very perishable. Store them in a partially open zip-top bag, or keep them in their original container. Once the box is open, cover it with plastic wrap. Don’t cover with a paper towel or store in a paper bag.

Washing Mushrooms

Most experts agree that the best way to clean mushrooms is a clean, dry brush. A toothbrush kept explicitly for this purpose works great. Washing them can cause discoloration, but this isn’t a huge issue when they are going to be cooked. If you do decide to wash them, place them in a salad spinner to dry so that they don’t hold on to excess moisture.

Close up overhead photo of Keto Cream of Mushroom soup in a white bowl garnished with thyme.

Variations for This Recipe

  • For condensed soup, reduce the broth to 3/4 of a cup and the heavy cream to 1/2 cup.
  • Add 2 teaspoons hot paprika.
  • Add 1 teaspoon dried dill.
  • Add 2 tablespoons coconut aminos.

If You Like This Recipe You May Also Like:

  • For a light but delicious meal, you are going to go wild for this Keto Caesar Salad recipe.
  • Looking for dinner inspiration? Don’t miss these Keto Casserole Recipes.
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Keto Mushroom Soup Recipe

I love this Keto Cream Mushroom Soup. Everything about it works for me. Earthy mushrooms balance the richness of the garlicky, creamy liquid. This recipe will become a cold-weather kitchen staple.

Square photo of Overhead photo of a bowl of Keto Cream of Mushroom Soup garnished with thyme on a wooden cutting board.

Print Recipe
5 from 6 votes

Keto Mushroom Soup Recipe

This Keto Cream of Mushroom Soup is pure comfort food, and also works as a substitute for canned soup in many recipes. When eating it as a meal, I like to drizzle it with a touch of garlic oil and serve it with a chaffle or other keto-friendly bread.
Prep Time10 mins
Cook Time23 mins
Total Time33 mins
Course: Soup
Cuisine: American
Keyword: Soup
Servings: 6
Calories: 281kcal
Author: Wendy Polisi
As an Amazon Associate I earn from qualified sales.


  • 1/4 cup butter
  • 12 ounces mushrooms sliced
  • 1/2 cup chopped onion
  • 1 teaspoon minced garlic
  • 1 tablespoon fresh thyme
  • 4 cups chicken bone broth or regular broth
  • 3 ounces cream cheese
  • Salt and pepper to taste
  • 1 cup heavy cream


  • Melt butter in a large saucepan
  • Add mushrooms, onions, garlic, and thyme.
  • Cook until the mushrooms have released most of their liquid, about 7 minutes.
  • Add chicken broth and cream cheese to the pan, and cook until the cream cheese melts.
  • Season to taste with salt and pepper, and add heavy cream. Simmer for 15 minutes.


Calories: 281kcal | Carbohydrates: 6g | Protein: 4g | Fat: 28g | Saturated Fat: 17g | Cholesterol: 90mg | Sodium: 705mg | Potassium: 382mg | Fiber: 1g | Sugar: 2g | Vitamin A: 1065IU | Vitamin C: 15mg | Calcium: 61mg | Iron: 1mg

More Low Carb Soup Recipes to Try:

  • Hamburger Beef Soup is a hearty soup that is loaded with nutrition.
  • Keto Jambalaya is loaded with protein and is the perfect filling family meal.