3 cups all-purpose flour
1 teaspoon salt
1 tablespoon white sugar
1 cup warm water (110 degrees F/45 degrees C)
2 tablespoons vegetable oil
1 (.25 ounce) package active dry yeast
1. Bring a large pot of lightly salted water to a boil. Addziti pasta, and cook until al dente, about 8 minutes; drain. 2. In a largeskillet, brown onion and ground beef over medium heat. Add spaghetti sauce, andsimmer 15 minutes. 3. Preheat the oven to 350 degrees F (175 degrees C). Buttera 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 remainingsauce mixture. Top with grated Parmesan cheese. 4.Bake for 30 minutes in thepreheated oven, or until cheeses are melted.