mushroom soup

I remember the first time I truly understood the magic of a homemade mushroom soup. It was a brisk autumn evening, and the earthy aroma of roasting mushrooms filled my entire kitchen, promising a warmth that could chase away any chill. This isn’t just any soup; it’s a bowl of pure comfort, with a rich, velvety texture and a depth of flavor that feels both simple and luxurious. It’s a recipe I’ve perfected over the years, and it reminds me of other cozy favorites, like my family’s treasured Swedish Meatball Soup.

This Creamy Roasted Mushroom Soup is my go-to for a reason. It captures that five-star restaurant elegance without any of the fuss. What I find most incredible is how such a sophisticated flavor is developed in just about 50 minutes from start to finish. The real game-changer is roasting the cremini and shiitake mushrooms beforehand. This simple step concentrates their natural earthiness, creating a savory foundation that you just can’t achieve by sautéing alone. It turns a good mushroom soup into an absolutely unforgettable one.

The Key Ingredients You’ll Need

For this mushroom soup, the specific ingredients truly matter. I always use a blend of cremini and shiitake mushrooms; the creminis provide a classic, earthy base while the shiitakes add a deeper, almost smoky complexity. A splash of dry sherry is my secret weapon—it deglazes the pan and adds an incredible, aromatic note that elevates the whole dish, much like it does in my favorite Shrimp and Corn Bisque.

Sofia

Creamy Roasted Mushroom Soup

A deeply flavorful and velvety mushroom soup made with roasted cremini and shiitake mushrooms, fresh thyme, and a hint of sherry. This restaurant-quality soup is the ultimate comfort food.

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Prep Time 15 minutes mins

Cook Time 35 minutes mins

Total Time 50 minutes mins

Servings: 4 servings

Course: Appetizer, Lunch, Soup

Cuisine: American, French

Calories: 410

Ingredients Equipment Method Notes

Ingredients

  

For the Roasted Mushrooms

• 1.5 lbs Cremini mushrooms cleaned and sliced
• 8 oz Shiitake mushrooms stems removed, cleaned and sliced
• 2 tbsp Olive oil
• 1/2 tsp Kosher salt
• 1/4 tsp Black pepper freshly ground

For the Soup

• 3 tbsp Unsalted butter
• 1 Large yellow onion finely chopped
• 4 cloves Garlic minced
• 4 sprigs Fresh thyme plus more for garnish
• 3 tbsp All-purpose flour
• 1/4 cup Dry sherry or dry white wine
• 4 cups Vegetable broth low sodium
• 1 cup Heavy cream room temperature
• 2 tbsp Fresh parsley chopped, for garnish

Equipment

• Large pot or Dutch oven
• Baking Sheet
• Immersion blender or standard blender

Method

 

Roast the Mushrooms

• Preheat your oven to 400°F (200°C). On a large baking sheet, toss the sliced cremini and shiitake mushrooms with 2 tbsp of olive oil, 1/2 tsp kosher salt, and 1/4 tsp black pepper until evenly coated.
• Spread the mushrooms in a single layer on the baking sheet. Roast for 20-25 minutes, tossing halfway through, until they are browned, tender, and have released their liquid. Set aside about 1/2 cup of the prettiest roasted mushrooms for garnish.

Build the Soup Base

• In a large pot or Dutch oven, melt 3 tbsp of unsalted butter over medium heat. Add the chopped yellow onion and cook, stirring occasionally, until softened and translucent, about 5-7 minutes.
• Add the minced garlic and fresh thyme sprigs. Cook for another minute until fragrant, being careful not to burn the garlic.
• Sprinkle the 3 tbsp of all-purpose flour over the onions and garlic. Stir constantly and cook for 1-2 minutes to create a roux. This will cook out the raw flour taste.
• Pour in the 1/4 cup of dry sherry to deglaze the pot. Use a wooden spoon to scrape up any browned bits from the bottom. Let it bubble and reduce for about a minute.

Simmer and Blend

• Add the roasted mushrooms (all except the reserved portion for garnish) and the 4 cups of vegetable broth to the pot. Stir everything together.
• Bring the soup to a boil, then reduce the heat to low, cover, and let it simmer for 15 minutes to allow the flavors to meld. After simmering, remove and discard the thyme sprigs.
• Use an immersion blender to carefully blend the soup directly in the pot until it's smooth and creamy. Alternatively, you can transfer the soup in batches to a standard blender (be sure to vent the lid to allow steam to escape) and blend until smooth before returning it to the pot.

Finish and Serve

• Return the pot to low heat. Slowly stir in the 1 cup of heavy cream. Heat gently for a few minutes until the soup is warmed through, but do not let it boil, as this can cause the cream to curdle.
• Taste the soup and season with additional salt and pepper as needed. Ladle the hot mushroom soup into bowls. Garnish with the reserved roasted mushrooms, a sprinkle of fresh chopped parsley, and a few fresh thyme leaves, if desired.

Notes

For a deeper flavor, use a mix of mushrooms like cremini, shiitake, and oyster. For a dairy-free version, substitute butter with olive oil and heavy cream with full-fat coconut milk. Store leftovers in an airtight container in the refrigerator for up to 4 days.

How I Make mushroom soup

My process for this soup is all about building layers of flavor. I start by roasting the mushrooms until they’re beautifully browned and fragrant. While they’re in the oven, I build the soup’s aromatic base, sautéing sweet yellow onion, garlic, and fresh thyme in butter until my kitchen smells divine. I then stir in the flour, pour in the sherry to lift all those delicious browned bits, and add the broth and roasted mushrooms. After a brief simmer, I blend it until it’s perfectly smooth and finish it with a generous pour of heavy cream.

My Tips for the Perfect Outcome

• Don’t Crowd the Pan: Spread the mushrooms in a single layer when roasting to ensure they brown, not steam.
• Blend with Care: If using a standard blender, work in batches and allow steam to escape to prevent pressure buildup.
• Fresh Herbs Matter: Fresh thyme and parsley add a brightness that dried herbs just can’t replicate in this mushroom soup.

How I Serve and Store This Dish

I love to serve this soup piping hot, garnished with a sprinkle of fresh parsley and a swirl of extra cream. It’s absolutely wonderful with a side of crusty bread for dipping. For leftovers, I let the soup cool completely before storing it in an airtight container in the refrigerator for up to four days. It will thicken as it chills, so I just add a small splash of vegetable broth or water when I’m reheating it on the stovetop to bring it back to its original silky consistency.

What are the best mushrooms for soup?

For the most flavorful mushroom soup, I highly recommend a combination of cremini and shiitake mushrooms. Creminis provide a wonderful earthy depth, while shiitakes add a richer, almost smoky and meaty flavor. This blend creates a complexity that you wouldn’t get from using just one type of mushroom.

Can I make this mushroom soup dairy-free?

Absolutely! To make a dairy-free version, you can substitute the unsalted butter with a quality olive oil or a plant-based butter. For the heavy cream, I’ve had great success using full-fat coconut milk (from a can) or a homemade cashew cream for a similarly rich and creamy texture.

How can I make the soup thicker or thinner?

The soup’s thickness is easy to adjust. If you prefer a thicker mushroom soup, you can let it simmer for a few extra minutes with the lid off to allow it to reduce further. For a thinner consistency, simply stir in a little more vegetable broth until it reaches the texture you love.

Can I freeze this mushroom soup?

Yes, you can freeze this soup, but with a small caveat. Soups with dairy can sometimes separate or become slightly grainy when thawed. For the best results, I recommend freezing the soup before adding the heavy cream. When you’re ready to serve, thaw the soup, reheat it gently, and then stir in the cream.

This recipe holds a special place in my heart, and I truly hope it brings as much joy and comfort to your table as it does to mine. It’s a testament to how simple, beautiful ingredients can come together to create something truly special. If you try it, I’d absolutely love to hear what you think!

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