Source: Colleen B. Smith (from allrecipes.com)
Holy cow is this yummy!!!
Ingredients:
1 pound dry ziti pasta
1 onion, chopped
1 pound lean ground beef
2 (26 ounce) jars spaghetti sauce
6 ounces Provolone cheese, sliced
1 1/2 cups sour cream
6 ounces mozzarella cheese, shredded
2 tablespoons 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 (175 degrees C).
Butter a 9x13 inch baking dish. Layer as follows: 1/2 of the ziti, Provolone
cheese, sour cream, 1/2 sauce mixture, remaining ziti, mozzarella cheese and
remaining sauce mixture. Top with grated Parmesan cheese.
4. Bake for 30 minutes in the preheated oven, or until
cheeses are melted.