Leftover Roast Beef Casserole

Transform last night's leftovers into tonight's dinner with Leftover Roast Beef Casserole. This beef casserole recipe uses food you've previously made and gives it a new taste. Take your leftover roast beef and some vegetables (these can even be leftovers if you'd like) and bake them together. Not only are you saving food, you're also saving money!