2 lb. ground chuck
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 (8 oz.)
1 (8 oz.) pkg. refrigerator crescent rolls

Cook beef and onion until meat is browned, stirring until meat crumbles; drain well. Stir in tomato sauce and spaghetti sauce mix; cook over low heat 10 minutes, stirring frequently. Spoon into a lightly greased 13 x 9 x 2 inch baking dish; top with sour cream, and sprinkle with cheese. Unroll crescent rolls, and place on top of cheese. Bake, uncovered at 350 degrees for 20 minutes. Yields 8 servings.