Name: creamy roasted mushroom soup
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Cuisine: International
Ingredients: 500g mixed mushrooms (cremini, shiitake, button), sliced; 2 tbsp olive oil; 1 medium onion, finely chopped; 2 cloves garlic, minced; 1 tsp dried thyme; 1 tsp salt; ½ tsp black pepper; 4 cups vegetable broth; 1 cup heavy cream; 2 tbsp all-purpose flour; 2 tbsp unsalted butter; Fresh parsley, chopped (for garnish)

creamy roasted mushroom soup

Published on October 26, 2025

4.8 (245 reviews)

A chilly evening calls for comfort, and nothing delivers more soothing warmth than a bowl of creamy roasted mushroom soup. The aroma of caramelized mushrooms fills the kitchen, promising a depth of fl

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Prep Time

15 min

Cook Time

30 min

Servings

Why You'll Love This Recipe

✓ Velvety Texture: Roasting intensifies mushroom umami, while the cream base creates a silky mouthfeel that feels luxurious without being heavy.

✓ One‑Pan Simplicity: All ingredients roast together, then blend, so cleanup is minimal and the flavors meld perfectly in a single vessel.

✓ Adaptable & Healthy: Swap dairy for coconut milk or add a splash of sherry for depth; the soup stays nourishing and low‑carb.

I discovered this recipe while experimenting with leftover mushroom caps from a holiday roast. By roasting them first, the natural sugars develop, giving the broth a rich, earthy backbone that pairs beautifully with a touch of cream.

The result is a soup that feels both indulgent and wholesome—perfect as a starter or a light main course when paired with crusty bread or a crisp salad.

2 Tbsp olive oil Helps mushrooms brown; can replace with melted butter for richer flavor.

1 medium onion, diced Adds subtle sweetness; shallots work as a milder alternative.

2 cloves garlic, minced Enhances depth; roasted garlic can be used for a sweeter note.

3 cups vegetable broth Low‑sodium preferred; chicken broth works if not vegetarian.

½ cup heavy cream For dairy‑free, use coconut cream or oat milk.

1 tsp dried thyme Fresh thyme can replace dried; optional but recommended.

½ tsp freshly ground black pepper Adjust to taste; white pepper offers a milder heat.

Salt to taste Season gradually; the broth already contains sodium.

Instructions

Roast the vegetables

Preheat oven to 425°F (220°C). Toss sliced mushrooms, diced onion, and minced garlic with olive oil, salt, pepper, and thyme on a baking sheet. Roast 20‑25 minutes, stirring halfway, until mushrooms are deep golden and fragrant.

Pro Tip: Spread vegetables in a single layer; crowding steam‑cooks instead of roasts.

Transfer to pot

Move the roasted mixture into a large saucepan. Add the vegetable broth, scraping up browned bits from the sheet pan. Bring to a gentle boil, then reduce heat and simmer 5 minutes to meld flavors.

Pro Tip: Use an immersion blender for a smoother texture without extra dishes.

Blend until silky

Puree the soup in batches using a countertop blender or an immersion stick, until completely smooth. Return the puree to the pot, stirring to recombine any separated liquid.

Pro Tip: Add a splash of cold water before blending to help the blades move.

Finish with cream

Stir in the heavy cream (or dairy‑free alternative) and heat gently—do not boil—to preserve the velvety texture. Taste and adjust salt, pepper, or a dash of sherry for brightness.

Pro Tip: Warm the cream separately before adding to prevent curdling.

Serve and garnish

Ladle the soup into warmed bowls. Garnish with a drizzle of extra cream, a sprinkle of fresh thyme, and a few cracked peppercorns. Serve with crusty sourdough or a simple green salad.

Pro Tip: A handful of toasted walnut pieces adds a pleasant crunch.

Expert Tips

Tip #1: Use a mix of mushrooms

Combining earthy cremini with meaty shiitake creates layered flavor and a more interesting texture than a single variety.

Tip #2: Roast at high heat

A hot oven caramelizes sugars quickly, concentrating umami and preventing soggy mushrooms.

Tip #3: Finish with cold cream

Adding chilled cream off the heat keeps the soup silky and stops the dairy from separating.

Storage & Variations

Store leftovers in an airtight container in the refrigerator for up to 3 days; reheat gently over low heat, adding a splash of broth if needed. For a vegan version, replace cream with coconut milk and use vegetable broth only. Add a dash of smoked paprika for a subtle heat or swirl in truffle oil for an upscale twist.

Nutrition

Per serving

Calories

210 kcal

Protein

5 g

Fat

14 g

Carbs

12 g

Frequently Asked Questions

Yes. Cool the soup completely, portion into airtight containers, and freeze for up to 2 months. Thaw in the refrigerator, reheat gently, and stir in a splash of cream before serving.

Substitute an equal amount of coconut cream, cashew cream, or oat milk. Each provides richness while keeping the soup silky; adjust seasoning as plant‑based milks can be slightly sweeter.

Blend a portion of cooked potatoes or cauliflower with the soup, or stir in a tablespoon of flour mixed with cold water before simmering. Both methods thicken without adding dairy.