Learn how to make the best cheesy, saucy Chicken Lasagna! You can cook fresh chicken for this casserole but it’s also a great way to use up leftover chicken. This white sauce Chicken Lasagna is so satisfying with layers of lasagna noodles and tender chicken in a creamy spinach sauce. Just like our Classic Lasagna, this white lasagna reheats really well, making it perfect for meal planning. Make this Natashas Kitchen recipe and you will get recipe requests.