1 lb. ground beef
1/4 c. diced onion
1 (8 oz.) can tomato sauce
1/4 c. ketchup
1/4 lb. sliced American cheese
1 (8) pkg. Pillsbury crescent rolls dough

Brown ground beef; add onion, and cook 10 minutes. Add tomato sauce, ketchup, salt, and pepper. Cook 5 minutes. Spoon into 9 inch casserole or baking dish. Arrange slices of cheese and top with crescent dough. Bake at 350 degrees until dough is light brown, about 20-25 minutes.