Ingredients
20 servings
- •1 ¼ cups butter
- •1 large onion, chopped
- •5 pounds sliced fresh mushrooms
- •1 ¼ cups all-purpose flour
- •2 ½ teaspoons ground black pepper
- •1 ½ teaspoons salt
- •10 cups milk
- •10 cups chicken broth
- •½ cup minced fresh parsley
- •1 pinch ground nutmeg, or to taste
- •¼ cup sour cream, or as needed
Instructions
- Melt butter in your largest stockpot over medium heat. Cook and stir onion and mushroom in hot butter until onion is tender, about 5 minutes. Stir flour, pepper, and salt into the onion mixture. Gradually stream milk and chicken broth into mixture while stirring to incorporate.
- Bring the liquid to a boil; cook at a boil until thickened, 5 to 10 minutes. Remove saucepan from heat. Stir parsley and nutmeg into the soup. Ladle soup into bowls and top each with a dollop of sour cream.
Nutritional Facts
Per 20 servings
- Calories: 227
- Carbohydrate: 17g
- Fat: 15g
- Fiber: 2g
- Protein: 9g
- Sugar: 8g