Top with remaining pasta mixture, then dollop with remaining ricotta mixture. Sprinkle with mozzarella and remaining 1/4 cup Parmesan. Bake ziti until cheese is melted and lightly golden brown and ...
Stir the sauce, 1 cup mozzarella cheese and ziti in a large bowl. Spoon the mixture into a 2-quart shallow baking dish. Sprinkle with the remaining mozzarella cheese and Parmesan cheese.
Return pasta to pan; mix well. LAYER half the pasta mixture in 13x9-inch baking dish; cover with layers of sour cream, 1 cup mozzarella and remaining pasta mixture. Top with remaining mozzarella ...