2 lbs. ground beef
1 onion, chopped
1 jar pizza or spaghetti sauce8 oz. shredded cheddar cheese
8 oz. shredded mozzarella cheese
2 pkg. crescent rolls
1 (8 oz.) sour cream

Brown ground beef with onions. Drain grease, add sauce and place in the bottom of a cake pan. Top with cheeses. Unroll crescent rolls and spread with sour cream. Reroll and place on top of cheeses. Bake at 350 degrees until crescent rolls are brown, approximately 30 minutes. Remove from oven and let set for 5 minutes. Cut and serve.