Go Back

Creamy Mushroom and Onion Soup with Toasted Breadcrumbs

This mushroom and onion soup features a rich, velvety puree made by sautéing earthy mushrooms and sweet caramelized onions, then blending them into a smooth consistency. Finished with a splash of sherry, fresh thyme, and a swirl of cream, it’s topped with crunchy toasted breadcrumbs that add texture and visual appeal.
Print Recipe Pin Recipe
Prep Time 20 minutes
Cook Time 40 minutes
Total Time 1 hour
Servings: 4
Course: Main Course
Cuisine: Seasonal
Calories: 280
Ingredients Equipment Method Notes

Ingredients
  

  • 2 tablespoons olive oil for sautéing
  • 1 pound mushrooms preferably cremini or button, sliced
  • 2 medium onions thinly sliced
  • 3 cloves garlic minced
  • 1/4 cup sherry optional, for depth of flavor
  • 4 cups vegetable broth
  • 1 tablespoon fresh thyme chopped
  • 1/2 cup heavy cream
  • 1 cup bread crumbs preferably from a rustic loaf
  • 2 tablespoons butter for toasting breadcrumbs
  • Salt and pepper to taste

Equipment

  • Large Heavy-Bottomed Pot
  • Immersion Blender or Standard Blender
  • Baking sheet
  • Toaster or oven
  • Wooden Spoon

Method
 

  1. Heat the olive oil in a large heavy-bottomed pot over medium heat until shimmering. Add the sliced onions and cook, stirring occasionally, until they soften and turn a deep golden brown, about 15 minutes. The aroma of caramelizing onions should fill the kitchen.
  2. Add the sliced mushrooms to the pot and cook, stirring occasionally, until they release their moisture and become tender, about 10 minutes. The mushrooms should develop a rich, earthy aroma as they brown slightly.
  3. Stir in the minced garlic and cook for another minute until fragrant, filling your kitchen with a savory aroma. Next, pour in the splash of sherry, scraping up any browned bits from the bottom of the pot, and let it simmer until slightly reduced, about 2-3 minutes.
  4. Pour in the vegetable broth and add the chopped thyme. Bring the mixture to a gentle simmer and cook uncovered for 10 minutes, allowing the flavors to meld and deepen.
  5. Remove the pot from heat and use an immersion blender to carefully puree the soup until smooth, or transfer in batches to a blender. Blend until the soup is velvety and creamy in texture. Return to low heat if needed.
  6. Stir in the heavy cream and season the soup with salt and pepper to taste. Let it simmer gently for a few minutes to warm through, creating a rich, luxurious consistency.
  7. While the soup simmers, preheat the oven or toaster to 375°F (190°C). Spread the bread crumbs on a baking sheet and toast in the oven until golden brown, about 8-10 minutes, shaking the pan halfway through for even color.
  8. In a small skillet, melt the butter over medium heat and add the toasted bread crumbs. Toss until evenly coated and lightly crisped, about 2-3 minutes. Remove from heat and set aside.
  9. Ladle the hot soup into serving bowls. Top each with a generous spoonful of crispy toasted bread crumbs, which provide a satisfying crunch and beautiful contrast to the smooth soup.
  10. Finish by adding a small drizzle of cream or a sprinkle of thyme if desired, then serve immediately. Enjoy the warm, creamy texture with the crispy topping as a perfect autumnal comfort dish.

Notes

For an extra layer of flavor, stir in a splash of sherry just before blending, and garnish with fresh thyme or a drizzle of cream when serving.