Baked Ziti with Beef

Baked Ziti with Beef (6.5 points)(From Cooking Light) (and Nancy)
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4 cups Tomato Sauce
1 pound ground round
4 cups cooked ziti or rigatoni (about 2 1/2 cups uncooked pasta)
1 1/2 cups (6 ounces) shredded part-skim mozzarella cheese, divided
Cooking spray
1/4 cup (1 ounce) grated fresh Parmesan cheese
Preheat oven to 350°.Cook beef in a large nonstick skillet over medium-high heat until browned; stir to crumble. Drain well. Combine beef, rigatoni, Tomato Sauce, and 1 cup mozzarella in an 11 x 7-inch baking dish coated with cooking spray. Top with 1/2 cup mozzarella and Parmesan. Bake at 350° for 20 minutes or until thoroughly heated.
Serving Size = 1 cup
Original recipe called for Rigatoni, but all I had was Ziti, this was really good! We will have it again. I served it with a tossed salad.