Easy Italian Casserole
["1 lb. ground beef", "1/2 c. chopped onion", "1 (16 oz.) can tomato sauce", "1 (4 oz.) can mushroom pieces", "1 Tbsp. sugar", "1/2 tsp. dried oregano", "1/2 tsp. dried basil", "1/4 tsp. salt", "1/4 tsp. pepper", "1/2 tsp. garlic powder", "2 c. Bisquick", "1/2 c. milk", "1 egg", "8 slices American cheese", "1/4 c. Parmesan cheese"]
["Cook and stir beef and onion until browned.", "Stir in sauce, mushrooms, sugar and spices, stirring constantly and then occasionally for 10 minutes."]
["ground beef", "onion", "tomato sauce", "mushroom pieces", "sugar", "oregano", "basil", "salt", "pepper", "garlic powder", "Bisquick", "milk", "egg", "American cheese", "Parmesan cheese"]