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

Brown ground beef; drain. Add spaghetti sauce mix and tomato sauce. Simmer gently about 15 minutes. Spread meat mixture into 9 x 13 pan. Layer Mozzarella cheese and sour cream over meat. Top with crescent rolls; brush with butter and sprinkle top with Parmesan cheese.

Bake at 375°F for 20 to 30 minutes.