Joe’s Homemade Mushroom Soup

Ingredients

• 1 1/4 cups butter
• 1 large onion, chopped
• 5 pounds sliced fresh mushrooms
• 1 1/4 cups all-purpose flour
• 2 1/2 teaspoons ground black pepper
• 1 1/2 teaspoons salt
• 10 cups milk
• 10 cups chicken broth
• 1/2 cup minced fresh parsley
• 1 pinch ground nutmeg, or to taste
• 1/4 cup sour cream, or as needed

Directions

Melt butter in a large saucepan over medium heat. Cook and stir onion and mushroom in hot butter until onion is tender, about 3 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, about 2 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.