Chicken Enchilada Casserole with Chili Gravy This can be made with ground beef if that's what you'd rather have. It's great either way. Chicken Enchilada Casserole with Chili Gravy Recipe Type: Casserole Cuisine: Mexican Author: Marsha Powell Prep time: 30 mins Cook time: 30 mins Total time: 1 hour Serves: 8 Ingredients 1 1/2 lbs.