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Isla Marie

Mushroom Soup

This mushroom soup recipe is rich, creamy, and full of deep, earthy flavor. Made with fresh mushrooms, garlic, and broth, it’s a comforting soup that works perfectly as a starter or a light main course. Easy to customize as creamy or dairy-free, this soup is ideal for cozy dinners and meal prep.
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Prep Time 10 minutes
Cook Time 25 minutes
Total Time 35 minutes
Servings: 4 people
Course: Appetizer, Light Meal, Soup
Cuisine: American, European
Calories: 220
Ingredients Equipment Method Notes

Ingredients
  

Main Ingredients
  • 1 lb fresh mushrooms button, cremini, or mixed, sliced
  • 1 medium onion finely chopped
  • 3 garlic cloves minced
  • 2 tablespoons olive oil or butter
  • 4 cups vegetable or chicken broth
  • Salt and black pepper to taste
Optional Add-Ins
  • 1 cup heavy cream or half-and-half
  • 1 cup milk or dairy-free cream
  • 1 teaspoon soy sauce or Worcestershire sauce
  • 1 tablespoon all-purpose flour or cornstarch for thickening
  • Fresh thyme or parsley chopped

Equipment

  • Large pot or saucepan
  • Knife & cutting board
  • Wooden spoon
  • Measuring cups & spoons
  • Immersion blender or regular blender (optional)

Method
 

Prepare the Mushrooms
  1. Clean mushrooms with a damp paper towel and slice evenly. Avoid washing under running water to prevent sogginess.
Cook the Aromatics
  1. Heat olive oil or butter in a pot over medium heat. Add onion and cook until soft and translucent. Stir in garlic and cook until fragrant.
Cook the Mushrooms
  1. Add mushrooms to the pot and cook until they release moisture and begin to brown. Season lightly with salt and pepper.
Add Broth and Simmer
  1. Pour in broth and bring to a gentle simmer. Cook for 10–15 minutes to allow flavors to develop.
Make It Creamy (Optional)
  1. Stir in cream or milk. If thicker soup is desired, add flour or cornstarch slurry and simmer gently.
Blend (Optional)
  1. Blend part or all of the soup for desired texture. Taste and adjust seasoning before serving.

Notes

Use a mix of mushrooms for deeper flavor.
Brown mushrooms well for rich umami taste.
Add cream on low heat to prevent curdling.
Blend partially for best texture balance.
Dairy-free versions freeze better than creamy ones.