Throw out the can of Campbell’s and try our keto cream of mushroom soup instead. Ours is made with fresh mushrooms and thickened with cream. Eat it as-is, include it in meals like keto green bean casserole, or use it to top grilled chicken drumsticks or air fryer ribeye steak.
WHAT YOU NEED TO MAKE THIS RECIPE
- Butter: Saute the onions in butter and add richness.
- Onion: I use yellow onion to sweeten the soup.
- Garlic: I suggest using four cloves, but don’t let my recipe tell you how much garlic to use – measure with your heart.
- Mushrooms: Feel free to use what you have on hand. I often use white or baby Bella mushrooms.
- Spices: Season the dish with dried thyme, kosher salt, and black pepper.
- Xanthan Gum: Use Xanthan to thicken the cream of mushroom soup and give it the perfect texture.
- Beef Broth: Use beef broth as the base for the soup.
- Sherry: I like to add a little sherry cooking wine to brighten the flavor of the beef broth.
- Heavy Cream: Give the soup a creamy consistency by stirring in heavy cream at the very end. You can also use half and half, but it might be too thin. For a non-dairy alternative, use coconut cream or full-fat coconut milk.
HOW TO MAKE KETO CREAM OF MUSHROOM SOUP
The full recipe with measurements is in the recipe card below.
Step 1: Warm butter in a saute pan over medium heat. Add onions and saute until they become translucent and soften. Then, stir in the garlic and cook for another minute.
Step 2: Add the mushrooms and cook for 5 minutes. Stir in xanthan gum and season with dried thyme, salt, and pepper.
Step 3: Deglaze with sherry cooking wine and beef broth; reduce to low-medium heat, cover, and cook for 10 minutes until the soup thickens.
Uncover and remove the soup from heat; stir in the heavy cream to finish.
EXPERT TIPS
- I prefer thick and creamy cream of mushroom soup. However, if you don’t like the chunkiness of the mushrooms, use an immersion blender to smooth them out.
SEARCHING FOR MORE LIKE THIS?
If you love soup, try one of these keto and low carb recipes!
SERVING SUGGESTIONS
- Sides: Keto Green Bean Casserole, Stuffing
- Entrees: Pork Chops, Air Fryer Ribeye Steak, Bison Steak Recipe, Lamb Shoulder Chop, Grilled Chicken Drumsticks, Tandoori Turkey
WHAT TO DO WITH THE LEFTOVERS
- Refrigerate – Store the leftovers in an airtight container. The soup will keep for 3 to 4 days in the fridge.
- Freeze – Let the dish cool completely. Then, transfer it to a freezer-safe container or bag. Keto cream of mushroom soup freezes for three months.
- Thaw – Defrost the soup in the refrigerator overnight.
- Reheat – Warm leftovers on the stovetop or microwave, and enjoy!
FREQUENTLY ASKED QUESTIONS
Is condensed cream of mushroom soup keto?
The store-bought canned versions contain flour and cornstarch that add carbs to the soup.
How to thicken keto cream of mushroom soup?
I use xanthan gum to thicken the soup, but you can also use arrowroot flour or coconut flour.
Are mushrooms keto?
Mushrooms are a great low-carb vegetable! One serving (one cup) of raw white mushrooms are 1 net carb.
Did you try this recipe? I would love to hear your feedback. Consider rating the recipe and leaving a comment below.
Keto Cream of Mushroom Soup
- 4 tablespoons butter
- 1 white onion, diced
- 4 cloves garlic, minced
- 1½ pounds mushrooms, sliced
- 4 teaspoons thyme, dried
- 1 teaspoon kosher salt
- 1 teaspoon black pepper, coarse ground
- ½ teaspoon xanthan gum
- 4¼ cups beef broth
- 2 tablespoons sherry cooking wine
- 1 cup heavy cream
- Warm butter in a saute pan over medium heat. Add onions and saute until they become translucent and soften. Then, stir in the garlic and cook for another minute.
- Add the mushrooms and cook for 5 minutes. Stir in xanthan gum and season with dried thyme, salt, and pepper.
- Deglaze with sherry cooking wine and beef broth; reduce to low-medium heat, cover, and cook for 10 minutes until the soup thickens.
- Uncover and remove the soup from heat; stir in the heavy cream to finish.
- I prefer thick and creamy cream of mushroom soup. However, if you don’t like the chunkiness of the mushrooms, use an immersion blender to smooth them out.
- The nutritional information shown is an estimate provided by an online nutrition calculator. It should not be considered a substitute for professional advice.