Ultimate Chicken Spaghetti is the perfect comfort food casserole packed with tender shredded chicken, creamy cheese sauce, flavorful tomatoes, and perfectly cooked spaghetti. This hearty baked pasta dish combines rich, creamy textures with a little kick from Ro*Tel tomatoes, making it an easy family favorite for busy weeknights, potlucks, and holiday gatherings. The combination of Velveeta, cream cheese, and cheddar creates an ultra-creamy sauce that coats every bite of pasta beautifully. Ingredients 2 pounds boneless skinless chicken breasts 1 (16-ounce) package spaghetti 1 (10-ounce) can Ro*Tel tomatoes 2 (10.5-ounce) cans cream of mushroom soup 1 (16-ounce) package Velveeta cheese 4 ounces cream cheese 1 teaspoon garlic powder 1 teaspoon onion powder 1 cup shredded sharp cheddar cheese Instructions Place the chicken breasts in a large pot and cover with water. Cook over medium-low heat until the chicken is fully cooked through. Remove the chicken and allow it to cool slightly....