Simple Chicken a la King Recipe: An Old-Fashioned Favorite {video}This easy chicken a la king recipe brings back old-fashioned comfort food in just 30 minutes! Made with a rich, creamy homemade sauce, tender chicken, mushrooms, peas, and pimentos, this classic chicken a la king is cozy, nostalgic, and simple to make. Serve it warm over rice, noodles, biscuits, puff pastry, or toast for a quick weeknight dinner.