Low Carb Mushroom Soup

low carb mushroom soup
low carb mushroom soup

I am wild about mushrooms, and this Low Carb 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 Low Carb Mushroom Soup garnished with thyme on a wooden cutting board.

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 Low Carb 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Truth be told, when I originally made it, I planned on pureeing it.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 Low Carb Mushroom Soup

Check out my Low Carb Mushroom Soup Web Story.

  1. First, melt your butter in a large saucepan. 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.

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

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

Instant Pot Mushroom Soup

  1. Set your Instant Pot to saute and add the butter. When melted, add the mushrooms, onions, garlic, and thyme. Cook for 6 minutes.

  2. Next, add the broth and season to taste with salt and pepper.

  3. Seal your pressure cooker and set the pressure to high. Cook for 4 minutes.

  4. Allow the pressure to release naturally, and then do a quick release.

  5. Return the Instant Pot to saute and add in the cream cheese. Cook until melted. Turn the temperature to warm and add in the heavy cream.

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 Low Carb Mushroom soup in a white bowl garnished with thyme.

Variations for This Recipe

  • For condensed soup, reduce the broth to ¾ of a cup and the heavy cream to ½ cup.
  • Add 2 teaspoons of hot paprika.
  • Add 1 teaspoon of dried dill.
  • Add 2 tablespoons of coconut aminos.

If You Like This Recipe You May Also Like:

Get ready to indulge in the richness of this Low Carb Mushroom Soup. Earthy mushrooms balance the richness of the garlicky, creamy liquid. This recipe will become a cold-weather kitchen staple.

More Low Carb Soup Recipes to Try:


Q: Are mushrooms good for keto?

A: Yes, mushrooms are an excellent option for keto. They have low carb content and are a great source of B vitamins and vitamin D.

Q: What kind of mushrooms should I use for this recipe?

A: You can use either baby Bella or white mushrooms for this recipe. Both work well and provide a delicious flavor to the soup.

In conclusion, this Low Carb Mushroom Soup is a delightful and creamy delight. With its rich flavors and simple preparation, it’s perfect for both light meals and as a versatile ingredient in casseroles. So why wait? Indulge in the magic of this soup and taste the goodness today!

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