Golden State Mushroom Soup

INGREDIENTS 8 servings
2 pounds fresh mushrooms, sliced
2 medium onion, chopped
1/2 cup butter or margarine
1/2 cup all-purpose flour
1 teaspoon salt
1/4 teaspoon pepper
3 cups milk
2 (14.5 ounce) cans chicken broth
2 teaspoons chicken bouillon granules
2 cups sour cream
Minced fresh parsley

DIRECTIONS
This recipe's Ingredients were scaled to yield a new amount. The directions below still refer to the original recipe yield of 4 servings.
In a large saucepan, saute mushrooms and onion in butter until tender. Sprinkle with flour, salt and pepper; mix well. Gradually stir in milk, broth and bouillon; bring to a boil. Cook and stir for 2 minutes. Reduce heat. Stir in sour cream; heat through (do not boil). Garnish with parsley if desired.