1 lb ground beef
1 medium onion
1 1/2 cup pasta sauce
1 1/2 cup shredded mozzarella cheese, divided
1/2 cup sour cream
1 package reduced fat crescent rolls
Preheat oven to 350.
Brown beef and onions in a skillet until beef is no longer pink. Add pasta sauce and cook until heated through.
Mix together 1 cup of cheese and the sour cream.