the Sauce
In a large mixing bowl, combine cream of mushroom soup, cream of chicken soup, sour cream, garlic powder, onion powder, paprika, salt, and pepper. Stir well.
Step 4: Add Chicken and Veggies
Fold in the cooked chicken, sautéed vegetables, and drained diced tomatoes with chilies. Mix until evenly combined.
Step 5: Assemble the Casserole
In a greased 9×13-inch baking dish, spread the cooked spaghetti evenly. Pour the creamy chicken mixture over the pasta and mix gently.
Step 6: Add Cheese
Sprinkle 1 ½ cups of cheddar cheese
