Upside Down Pizza
["1 1/2 lb. ground beef", "1 medium onion, chopped", "1 (15 1/2 oz.) pizza sauce", "1/2 tsp. garlic salt", "1/4 dried oregano leaves", "8 oz. Mozzarella cheese, grated", "2 eggs", "1 c. milk", "1 Tbsp. oil", "1/2 tsp. salt", "1 c. flour", "1/2 c. grated Parmesan cheese", "mushrooms (optional)", "green pepper (optional)"]
["Preheat oven to 350\u00b0.", "Meanwhile, brown ground beef, green pepper and onion; pour off fat.", "Blend in pizza sauce, mushrooms, garlic salt and oregano.", "Put mixture in a 9 x 13-inch pan and sprinkle with Mozzarella cheese.", "In a small bowl, mix eggs, milk, oil, salt and flour.", "Pour over sauce mix and sprinkle with Parmesan cheese.", "Bake for 30 minutes.", "Serves 12."]
["ground beef", "onion", "pizza sauce", "garlic salt", "oregano", "Mozzarella cheese", "eggs", "milk", "oil", "salt", "flour", "Parmesan cheese", "mushrooms", "green pepper"]