2 lbs. hamburger
Onions and mushrooms (optional)
1 pkg. spaghetti sauce mix (dry)
15 oz. can tomato sauce
8 oz. sour cream
2 c. Mozzarella cheese
1 tube crescent rolls
1 tsp. butter

Fry hamburger with onion and mushrooms, if desired. Add spaghetti sauce mix and tomato sauce. Simmer 5 to 10 minutes. Put in 9x13 inch pan. Spread sour cream on top. Sprinkle Mozzarella cheese on top and then crescent rolls. Melt butter and brush on top of rolls. Sprinkle on Parmesan. Bake at 375 degrees for 20 to 30 minutes.