Cheesy Baked Ziti with Chicken

Mark gave it 4 stars.

4 cups penne pasta, cooked according to package directions
1 chicken breast, seasoned, grilled, and sliced

olive oil
1/2 onion-finely chopped
1/2 tsp red pepper flakes
2 garlic cloves-minced
2 (8 oz) cans tomato sauce
salt & pepper to taste
1 tsp sugar
1 tsp basil
1/2 cup ricotta cheese
1/4 cup parmesan cheese, grated
4 slices provolone cheese

Saute onion in olive oil. Add garlic and red pepper flakes. Saute for another minute or so. Add tomato sauce, sugar, salt, pepper, and basil. Simmer for about 15 minutes. Add ricotta and parmesan cheese and cook until heated through. Add chicken and pasta. Top with provolone slices and broil for 5 minutes.