2 lb. ground beef
1/4 c. chopped onions
1 envelope spaghetti mix
16 oz. can tomato sauce
1 1/2 c. Mozzarella cheese, grated
1/2 c. sour cream
1 (8 oz.) can refrigerated crescent rolls
2 tbsp. melted butter
1/3 c. Parmesan cheese

Brown beef and onions. Drain and add spaghetti mix and tomato sauce. Simmer gently. Spread meat into 9 x 13-inch pan. Layer cheese and sour cream. Top with crescent rolls; brush with butter. Sprinkle with Parmesan cheese.

Bake at 375°F for 20 to 30 minutes.

Makes 8 to 10 servings.