French Onion Soup Casserole

PrintFrench Onion Soup Casserole French Onion Soup CasseroleIngredients3 medium sweet onions, sliced 3 tablespoons butter 4 cups beef broth 1 teaspoon Worcestershire sauce Approximately 6-8 slices French bread, about 1/2-inch in thickness 1 cup shredded mozzarella cheese 1/2 cup grated Parmesan cheese DirectionsMelt butter in a large saucepan over low heat. Add onions and cover. … Read more