Baked Ziti and Summer Vegetables

1 tablespoon vegetable oil 1 cup chopped onion 1 cup chopped green bell pepper 1 cup chopped red bell pepper 1 1/2 cups chopped portobello, cremini, or button[...]

4 ounces uncooked ziti pasta 1 tablespoon olive oil 2 cups chopped yellow squash 1 cup chopped zucchini 1/2 cup chopped onion 2 cups chopped tomatoes 2 garlic[...]

1 tablespoon vegetable oil 1 cup onion (chopped) 1 cup green bell pepper (chopped) 1 cup red bell pepper (chopped) 1 1/2 cups portabella mushrooms or 1 1/2[...]

1 (28 ounce) can crushed tomatoes 4 tablespoons extra virgin olive oil 1 onion 1/2 lb feta 3 carrots 1 green pepper 1 (16 ounce) package ziti pasta 1 Prepare[...]