1 lb. ground beef
3 c. penne or rotini pasta, cooked and drained
1 (26 to 28 oz.) jar spaghetti sauce
3/4 c. grated Parmesan cheese, divided
1 (8 oz.) pkg. shredded Mozzarella cheese

Brown meat in large skillet; drain. Stir in pasta, sauce and 1/2 cup of Parmesan. Spoon into 13 x 9 baking dish. Top with Mozzarella cheese and remaining 1/4 cup Parmesan.

Bake at 375°F for 20 minutes.

Serves 6.