The secret to this comforting casserole is a simple, homemade pan gravy. Drippings from roasted chicken add a phenomenal depth of flavor to the casserole. Topped with a simple, buttery drop biscuit, the recipe below is one of our favorite make-ahead comfort food meals.
While it's certainly possible to make this recipe all on one day, the best way to incorporate it into your weekly rotation is to plan in advance. Plan to serve roast chicken for dinner a few days before making this casserole, roasting one extra chicken and reserving all of the drippings. When it's time to actually cook up this casserole, you'll be more than halfway there.