Baked Ziti

Baked Ziti
By Leah Cantaloube

1 pound dry ziti pasta 6 oz provolone cheese, sliced
1 onion, chopped 1 ½ cups sour cream
1 pound lean ground beef 6 oz mozzarella cheese, shredded
2 (26 oz) jars spagh sauce 2 tbsp grated parmesan cheese

Directions:
1. Bring a large pot of lightly salted water to a boil. Add ziti pasta, and cook until al dente, about 8 minutes; drain.
2. In a large skillet, brown onion and ground beef over medium heat. Add spaghetti sauce, and simmer 15 minutes.
3. Preheat the oven to 350 degrees F. butter a 9x13 inch baking dish. Layer as follows: ½ of the ziti, Provolone cheese, sour cream ½ sauce mixture, remaining ziti, mozzarella cheese and remaining sauce mixture. Top with grated Parmesan cheese.
4. Bake for 39 minutes in preheated oven, or until cheeses are melted.