1 lb penne
1 Tbsp olive oil
1/2 red onion, chopped
3 small zucchini, sliced
2 cups sliced mushrooms
2 cups cooked chicken breast chunks
black pepper to taste
26 oz pasta sauce
1/4 cup shredded cheddar
1. Cook pasta according to package directions; drain in colander.
2. Meanwhile, place a large skillet over medium heat and add the oil. Sauté the vegetables until soft, about 5 minutes. Add chicken, pepper and pasta sauce.
3. Place in a casserole dish and sprinkle the top with cheddar cheese. Cover and refrigerate.
To heat and serve: Preheat oven to 350 ºF. Cover casserole dish with a lid or foil and bake until heated through, about 30 minutes. Serve hot.