Gear up for a delightful low-carb journey with our Keto Cream of Mushroom Soup! Imagine sipping on the rich and creamy flavors of a beloved classic, but with a keto twist that keeps those extra carbs away. Perfect for those who love good food without the carb overload. So, gather your ingredients, and let's create a bowl of this keto wonder together!

This Keto Cream of Mushroom Soup recipe is sponsored by our friends at Bob's Red Mill! Thank you for supporting the brands that make Cast Iron Keto possible!
Jump to:
- Preparation and cooking overview
- Chef's note
- 🥣 Ingredients for this keto cream of mushroom soup recipe
- Ingredient substitutions
- Additional ingredients
- Cooking tools required
- Tools substitute options
- How to make Keto Cream of Mushroom Soup: step-by-step guide
- Cooking methods
- Preparation steps
- Cooking instructions
- What to serve with keto cream of mushroom soup?
- How to make it healthier
- Time-saving tips
- What can I prepare ahead of time?
- Storage and reheating instructions
- Recipe wrap-up and conclusion
- Frequently asked questions
- 📖 Recipe
Preparation and cooking overview
Making our keto cream of mushroom soup is a breeze! Just melt butter in a pot, cook the mushrooms until brown, and then add cream, broth, xanthan gum, and some tasty herbs and spices. Give it a good stir and let it cook until it's thick. In only 15 minutes, you'll have a yummy low-carb soup to dig into!
Chef's note
For a fun twist on this mushroom soup, why not try different mushrooms like shiitake or oyster? Want more flavor? Add some lemon juice or sprinkle Parmesan cheese on top. Remember, you can change the recipe to match what you like best. Go on and get creative!
🥣 Ingredients for this keto cream of mushroom soup recipe
You'll need these ingredients to make the low carb cream of mushroom soup:
Ingredient substitutions
Missing an ingredient or looking to tweak the recipe to your liking? Here are some keto-friendly substitutions:

Additional ingredients
Want to elevate your mushroom soup even further? Consider adding these keto-friendly ingredients for a richer taste:
Cooking tools required
To make this keto mushroom soup recipe, you'll need the following tools:
Tools substitute options
How to make Keto Cream of Mushroom Soup: step-by-step guide
Cooking methods
Preparation steps
- Gather all the ingredients.
- Dice the cremini mushrooms.
- Mince the thyme, rosemary, and sage.
Cooking instructions
- Place your pot over medium heat and melt the butter. Wait till it gets hot.
- Add the mushrooms to the pot. Let them cook until they turn a nice brown, usually around 4 minutes.
- Pour in the heavy cream and vegetable broth. Next, sprinkle in the xanthan gum. Whisk everything together until the xanthan gum dissolves completely.
- Stir in the herbs and spices, letting them cook just long enough to release their aromas – about a minute should do.
- Allow the soup to reach a simmer. Once there, it will begin to thicken in just a minute or two after the xanthan gum is added.
- Enjoy your soup hot, or if you're planning for later, let it cool and store it away.

Chef's pro tip
When making this keto mushroom soup recipe, it's key not to hurry when browning the mushrooms. They need time to get that deep, yummy flavor. So, when they're in the butter, don't keep stirring them. Let them sit and cook without moving them too much. If you wait, you'll get perfect mushrooms that make your soup taste even better!
What to serve with keto cream of mushroom soup?
Wondering what to pair with your keto mushroom soup? Here are some tasty ideas that'll make your meal complete and even more delicious:
How to make it healthier
Want to give your keto mushroom soup an extra health kick? Here are some simple ways to do it:
Time-saving tips
Want to prepare this low carb mushroom soup in no time? Check out these handy shortcuts to speed things up:

Melt the butter in a small pot over medium heat. Once hot, add in the mushrooms and cook until browned, about 4 minutes.

Pour in the remaining ingredients and whisk vigorously to dissolve the xanthan gum.

Add in the herbs and spices and cook another minute until fragrant.

Bring just to a simmer and cook until the mixture is thickened, it rarely takes longer than 1-2 minutes after adding the xanthan gum. Use immediately or store for a later use.
What can I prepare ahead of time?
Want a faster soup-making experience? Get a head start with these prep steps:
Storage and reheating instructions
Storage tips
Reheating best practices

Recipe wrap-up and conclusion
There you go - a delicious Keto Cream of Mushroom Soup, all set to delight your palate! This low-carb treat is not just for those on a keto diet but for anyone seeking a tasty and wholesome dish. So, gather your ingredients, especially those flavorful mushrooms, and let's create some culinary magic!

Frequently asked questions
📖 Recipe

Keto Cream of Mushroom Soup
Ingredients
- 2 tablespoons unsalted butter dairy-free if desired
- 2 teaspoons Bob's Red Mill Xanthan Gum
- 1 cup vegetable broth
- 1 cup heavy cream dairy-free if desired or unsweetened almond milk
- 2 teaspoons minced poultry herbs we used thyme, rosemary, and sage
- ½ teaspoon garlic salt
- ½ teaspoon onion powder
- ⅛ teaspoon freshly cracked black pepper
- ½ cup diced cremini mushrooms
Instructions
- Place your pot over medium heat and melt the butter. Wait till it gets hot.
- Add the mushrooms to the pot. Let them cook until they turn a nice brown, usually around 4 minutes.
- Pour in the heavy cream and vegetable broth. Next, sprinkle in the xanthan gum. Whisk everything together until the xanthan gum dissolves completely.
- Stir in the herbs and spices, letting them cook just long enough to release their aromas – about a minute should do.
- Allow the soup to reach a simmer. Once there, it will begin to thicken in just a minute or two after the xanthan gum is added.
- Enjoy your soup hot, or if you're planning for later, let it cool and store it away.
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