Upside-Down Pizza
["2 lb. ground beef", "1 c. chopped onion", "2 (8 oz.) cans tomato sauce", "1 (1 1/4 oz.) pkg. spaghetti sauce mix", "1 (8 oz.) carton sour cream", "2 c. shredded Mozzarella cheese", "1 (8 oz.) pkg. refrigerated crescent rolls"]
["Cook beef and onion until meat is browned; drain well.", "Stir in tomato sauce and sauce mix; cook over low heat for 10 minutes, stirring frequently.", "Spoon into a lightly greased 13 x 9 x 2-inch baking dish.", "Top with sour cream; sprinkle with cheese.", "Unroll crescent rolls and place on top of cheese.", "Bake, uncovered, at 350\u00b0 for 20 minutes.", "Makes 8 servings."]
["ground beef", "onion", "tomato sauce", "spaghetti sauce mix", "sour cream", "Mozzarella cheese", "crescent rolls"]