2 lb. hamburger
1/4 c. chopped onions
1 1/2 c. mozzarella cheese
1/4 c. sour cream
1 env. spaghetti sauce mix
16 oz. tomato sauce
1 (8 oz.) crescent roll dough
1/3 c. Parmesan cheese
2 tbsp. butter

Brown hamburger and onions. Add sauce mix and tomato sauce. Simmer 10 minutes. Spread meat mixture in pan, layer on cheese and sour cream. Top with roll dough, brush with melted butter, sprinkle with Parmesan cheese. Put in oven and bake at 375 degrees for 20-25 minutes.