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Creamy Mushroom Soup

Creamy mushroom soup garnished with fresh parsley in a brown ceramic bowl, served with crusty bread rolls in the background.

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A rich, comforting creamy mushroom soup made with sautéed mushrooms, onions, garlic, herbs, and a velvety cream base—perfect for cozy dinners and easy to customize for vegan or gluten-free diets.

Ingredients

Scale
  • 6 Tbsp unsalted butter, divided
  • 2 lbs baby bella mushrooms, sliced
  • Salt and black pepper, to taste
  • 2 1/2 cups chopped yellow onions
  • 1 1/2 Tbsp minced garlic
  • 1/3 cup all-purpose flour
  • 2/3 cup dry white wine (e.g., Sauvignon Blanc)
  • 3 (14.5 oz) cans low-sodium chicken broth
  • 1 parmesan rind (3 to 4 inches)
  • 2 tsp fresh thyme leaves
  • 1 1/2 Tbsp cornstarch mixed with 2 Tbsp water (optional)
  • 3/4 cup heavy cream
  • 2 tsp fresh lemon juice

Instructions

  1. Melt 4 Tbsp of butter in a large pot over medium heat.
  2. Add sliced mushrooms and a pinch of salt. Sauté for 25–30 minutes until browned and most liquid has evaporated.
  3. Add chopped onions, cook for 3 minutes, then add garlic and sauté for another 2 minutes.
  4. Melt the remaining 2 Tbsp butter, stir in flour, and cook for 1–2 minutes while stirring constantly.
  5. Deglaze with white wine, scraping the bottom of the pot.
  6. Slowly pour in chicken broth while stirring. Add parmesan rind, thyme, salt, and pepper.
  7. Cover and simmer over low heat for 20–30 minutes, stirring occasionally.
  8. Add cornstarch slurry if thicker consistency is desired; stir in during last minute of cooking.
  9. Stir in heavy cream and lemon juice, then remove from heat.
  10. Serve hot with optional garnishes such as sautéed mushrooms, parmesan, parsley, or croutons.

Notes

  • Use a mix of mushrooms for deeper flavor.
  • Vegetable broth, coconut cream, and olive oil can make this soup vegan.
  • Can be stored in fridge for up to 3 days or frozen for up to 3 months.
  • Reheat gently to avoid curdling; do not boil after cream is added.

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