Low Carb Chicken Mushroom Soup – Cozy, Creamy, and Satisfying

This is the kind of soup you make when you want something warm, nourishing, and not heavy. Tender chicken, earthy mushrooms, and a silky, creamy broth come together fast, without a stack of carbs or complicated steps. It’s weeknight-friendly, but it still tastes special enough for guests.

The flavor is rich, the texture is comforting, and it reheats beautifully for lunches. If you’re watching carbs or just craving a lighter bowl, this one absolutely delivers.

Save

Low Carb Chicken Mushroom Soup - Cozy, Creamy, and Satisfying

Print Recipe Pin Recipe

Prep Time 10 minutes mins

Cook Time 25 minutes mins

Total Time 35 minutes mins

Servings: 4 servings

Ingredients Method

Ingredients

  

• Olive oil or avocado oil – For sautéing.
• Unsalted butter – Adds richness and helps brown the mushrooms.
• Yellow onion, finely chopped – Sweetens the base.
• Celery, finely chopped – Classic soup backbone with low carbs.
• Garlic, minced – Fragrant flavor booster.
• Cremini or baby bella mushrooms, sliced – Meaty texture and deep flavor. White button works too.
• Boneless, skinless chicken thighs or breasts, cooked and shredded – Thighs give more tenderness; breasts keep it lean.
• Chicken broth or stock – Choose low-sodium so you can control salt.
• Heavy cream – For silkiness; you don’t need much.
• Cream cheese (optional) – A small amount adds body without flour or cornstarch.
• Fresh thyme or dried thyme – Earthy note that pairs with mushrooms.
• Bay leaf – Subtle complexity.
• Fresh baby spinach or kale, chopped – Optional greens for extra nutrients.
• Salt and black pepper – Season generously.
• Lemon juice – A quick squeeze to brighten the finish.
• Fresh parsley, chopped – Clean, fresh garnish.

Method

 

1. Prep the ingredients. Slice the mushrooms, chop the onion and celery, mince the garlic, and shred the cooked chicken. Have your broth, cream, and herbs ready.
2. Brown the mushrooms. Heat a large pot over medium-high. Add oil and butter. When hot and foamy, add mushrooms in an even layer with a pinch of salt. Don’t stir much at first. Let them take on color for 4–6 minutes, then stir and cook until browned and most moisture evaporates.
3. Soften the aromatics. Reduce heat to medium. Add onion and celery with a pinch of salt. Cook 4–5 minutes until softened and glossy. Stir in garlic and cook 30–60 seconds until fragrant.
4. Build the base. Add thyme and bay leaf. Pour in the chicken broth, scraping up any browned bits. Bring to a gentle simmer.
5. Add the chicken. Stir in the shredded chicken. Simmer 8–10 minutes to let flavors meld. Taste and season with salt and pepper.
6. Make it creamy. Lower heat to medium-low. Stir in heavy cream. If using cream cheese, whisk in small cubes until fully melted and smooth. Do not boil after adding dairy.
7. Add greens (optional). Fold in spinach or kale and simmer 1–3 minutes until wilted and tender.
8. Finish and serve. Remove bay leaf. Add a squeeze of lemon juice to brighten. Adjust salt and pepper. Ladle into bowls and top with chopped parsley.

What Makes This Recipe So Good

Save

• Low carb without feeling “diet.” You’ll get a full, creamy experience with minimal carbs thanks to mushrooms, chicken, and a touch of cream.
• Big flavor in little time. Browning the mushrooms and simmering with aromatics layers in depth quickly.
• Flexible and forgiving. Use rotisserie chicken, thighs, or breasts. Swap herbs.

  Add greens. It’s a template more than a rulebook.

• Great for meal prep. Holds up well in the fridge, and the flavor deepens overnight.
• Comforting but light. It’s cozy, but won’t leave you sluggish after a bowl.

What You’ll Need

• Olive oil or avocado oil – For sautéing.
• Unsalted butter – Adds richness and helps brown the mushrooms.
• Yellow onion, finely chopped – Sweetens the base.
• Celery, finely chopped – Classic soup backbone with low carbs.
• Garlic, minced – Fragrant flavor booster.
• Cremini or baby bella mushrooms, sliced – Meaty texture and deep flavor. White button works too.
• Boneless, skinless chicken thighs or breasts, cooked and shredded – Thighs give more tenderness; breasts keep it lean.
• Chicken broth or stock – Choose low-sodium so you can control salt.
• Heavy cream – For silkiness; you don’t need much.
• Cream cheese (optional) – A small amount adds body without flour or cornstarch.
• Fresh thyme or dried thyme – Earthy note that pairs with mushrooms.
• Bay leaf – Subtle complexity.
• Fresh baby spinach or kale, chopped – Optional greens for extra nutrients.
• Salt and black pepper – Season generously.
• Lemon juice – A quick squeeze to brighten the finish.
• Fresh parsley, chopped – Clean, fresh garnish.

How to Make It

Save

1. Prep the ingredients. Slice the mushrooms, chop the onion and celery, mince the garlic, and shred the cooked chicken.

   Have your broth, cream, and herbs ready.

2. Brown the mushrooms. Heat a large pot over medium-high. Add oil and butter. When hot and foamy, add mushrooms in an even layer with a pinch of salt.

   Don’t stir much at first. Let them take on color for 4–6 minutes, then stir and cook until browned and most moisture evaporates.

3. Soften the aromatics. Reduce heat to medium. Add onion and celery with a pinch of salt.

   Cook 4–5 minutes until softened and glossy. Stir in garlic and cook 30–60 seconds until fragrant.

4. Build the base. Add thyme and bay leaf. Pour in the chicken broth, scraping up any browned bits.

   Bring to a gentle simmer.

5. Add the chicken. Stir in the shredded chicken. Simmer 8–10 minutes to let flavors meld. Taste and season with salt and pepper.
6. Make it creamy. Lower heat to medium-low.

   Stir in heavy cream. If using cream cheese, whisk in small cubes until fully melted and smooth. Do not boil after adding dairy.

7. Add greens (optional). Fold in spinach or kale and simmer 1–3 minutes until wilted and tender.
8. Finish and serve. Remove bay leaf.

   Add a squeeze of lemon juice to brighten. Adjust salt and pepper. Ladle into bowls and top with chopped parsley.

Storage Instructions

• Refrigerator: Cool completely, then store in airtight containers for 3–4 days.

  The flavor improves on day two.

• Freezer: This soup freezes well, though the cream may separate slightly. Freeze up to 2 months in freezer-safe containers. Thaw overnight in the fridge.
• Reheating: Warm gently over medium-low heat, stirring often.

  Avoid boiling to keep the dairy smooth. If it thickens in the fridge, loosen with a splash of broth.

Save

Benefits of This Recipe

• Low in carbs, high in satisfaction. Mushrooms and chicken deliver body without starches.
>Protein-packed. Keeps you full and supports a balanced meal.
• Customizable for dietary needs. Easy to make dairy-free, keto, or higher-fat depending on preferences.
• Budget-friendly. Uses everyday ingredients and stretches well for multiple meals.
• Nutritious. Mushrooms bring umami plus B vitamins and minerals; greens add fiber and micronutrients.

What Not to Do

• Don’t overcrowd the mushrooms. They’ll steam and turn soggy instead of browning. Work in batches if needed.
• Don’t boil after adding cream. High heat can cause separation and a grainy texture.
• Don’t skip seasoning layers. Salt lightly at each stage—mushrooms, aromatics, and broth—for full flavor.
• Don’t use watery stock. A weak broth makes a flat soup.

  Choose a good-quality stock or simmer longer to concentrate.

• Don’t add lemon too early. Acid can curdle dairy if boiled; finish with it off the heat.

Recipe Variations

• Dairy-free: Swap heavy cream for full-fat coconut milk. Use olive oil instead of butter. Add a splash of almond milk for a lighter touch.
• Extra-low carb, extra-rich: Increase cream and add a spoonful of mascarpone or more cream cheese for a thicker, chowder-like texture.
• Herb switch: Try rosemary or tarragon instead of thyme.

  Fresh dill is lovely if you add spinach and lemon.

• Spice it up: Add red pepper flakes, a pinch of smoked paprika, or a swirl of chili crisp at the end.
• Add umami: Stir in a splash of tamari or coconut aminos, or a teaspoon of white miso whisked into the cream off heat.
• More veggies, still low carb: Toss in chopped zucchini, cauliflower florets, or a handful of green beans in the simmer stage.
• Rotisserie shortcut: Use shredded rotisserie chicken to cut prep time to minutes.

FAQ

Can I use raw chicken instead of cooked?

Yes. Cut raw chicken thighs or breasts into bite-size pieces, season with salt and pepper, and sauté them in a little oil after the mushrooms are browned. Remove, proceed with the aromatics and broth, then return the chicken to simmer until cooked through.

What mushrooms work best?

Cremini or baby bella mushrooms bring the best balance of flavor and texture.

White button mushrooms are fine, and a mix with shiitake adds extra savoriness. Avoid very watery or delicate mushrooms that won’t hold up to simmering.

How can I thicken the soup without flour or cornstarch?

Use a small amount of cream cheese or let the soup simmer uncovered a bit longer to reduce. You can also blend a cup of the soup (without too many chicken pieces) and stir it back in for natural body.

Is this soup keto-friendly?

It can be.

Keep onions and carrots modest (skip carrots to stay strict), use heavy cream, and avoid starchy thickeners. Check your broth for added sugars.

Can I make this in a slow cooker?

Yes. Sauté the mushrooms, onion, celery, and garlic on the stove for best flavor, then transfer to the slow cooker with broth, herbs, and raw or cooked chicken.

Cook on Low 4–6 hours (if using raw chicken, ensure it’s cooked through). Stir in cream at the end and warm gently.

How do I keep the dairy from curdling?

Use gentle heat after adding cream and avoid boiling. Temper the cream by stirring in a little hot soup first, then add it back to the pot.

Finish with lemon juice off heat.

What can I use instead of cream?

Half-and-half works for a lighter option, though it’s more likely to separate if boiled. For dairy-free, use full-fat coconut milk or an unsweetened almond-cashew blend and add a knob of dairy-free cream cheese for body.

Final Thoughts

Low Carb Chicken Mushroom Soup is the weeknight hero you’ll want on repeat. It’s simple, deeply flavorful, and endlessly customizable.

Keep the technique—brown the mushrooms, season in layers, and add cream gently—and you’ll get a reliable, cozy bowl every time. Whether you meal prep it for the week or serve it to friends with a big salad, it’s a keeper that tastes like comfort without the carb crash.

About the Author

Save

Brandon D

Blogger/Fitness & Wellness Coach

I create quick, healthy, family-friendly recipes that make dinner simple, delicious, and stress-free.