16 oz pkg ziti pasta
2 (26.5 oz) cans/jars spaghetti sauce
6 oz provolone cheese, sliced
6 oz mozzarella cheese shredded
1-1/2 cups sour cream
1 pound ground beef
1 onion, chopped
grated Parmesan cheese
Cook pasta according to pkg directions. Drain.
Brown onion and ground beef. Add spaghetti sauce, simmer 15 minutes. Layer in buttered baking dish: 1/2 of ziti, provolone cheese, sour cream, 1/2 spaghetti sauce, remaining ziti, mozzarella cheese and remaining sauce.
Top with grated Parmesan cheese.
Bake at 350° F. for 30 minutes or until cheeses are melted.
Makes 8 servings