Baked Mostaccioli

1. Preheat oven to 350 F 2. Heat sausage, onion, garlic in large skillet over medium-high heat for 7-10 minutes or until meat is cooked through, stirring occasionally 3. Stir in sauce, reduce heat to medium-low, simmer at least 5 minutes 4. Cook mostaccioli according to box instructions 5. Add sauce mix, parmesan cheese to mostaccioli, toss. Pour into greased 9 x 13 baking dish, cover 6. Bake 20 minutes, uncover. Sprinkle mozzarella over mostaccioli, continue baking uncovered 5-7 minutes or until cheese is melted. 7. Serve