Baked Ziti - cooking recipe

Ingredients

1 pkg. ziti, cooked according to pkg.
1 1/2 lb. ground beef, browned
1 medium onion, chopped
1 lg. jar spaghetti sauce (any flavor)
2 c. mozzarella cheese, shredded
1/4 c. parmesan cheese, grated
salt and pepper to taste
2 clove garlic, crushed
1 Tbsp. vegetable oil

Preparation

Cook the pasta and drain, set aside.