Ingredients 2 cups chopped cooked chicken breast 2 cups uncooked spaghetti noodles, broken into 2-inch pieces (about 7 ounces) 1 cup (1/4-inch-thick) slices celery 1 cup chopped red bell pepper 1 cup chopped onion 1 cup fat-free, less-sodium chicken broth 1/2 teaspoon salt 1/4 teaspoon freshly ground black pepper 2 (10.75-ounce) cans condensed 30% reduced-sodium 98% fat-free cream of mushroom soup, undiluted Cooking spray 1 cup (4 ounces) shredded cheddar cheese, divided Preparation Preheat…