Use Up Your Leftover Mashed Potatoes With One of These Unique Recipes

Let's be honest, we've all eaten a spoonful (or two) of cold leftover mashed potatoes right out of the fridge — it's an inevitable occurrence around the holiday season. But did you know there's more you can do with your leftovers than just heating them up in the microwave? Whether you're looking for a new soup recipe or a snack for the whole family, mashed potatoes can be an incredibly useful and versatile ingredient. These 21 recipes are so tasty that you're going to want to make extra mashed potatoes as often as you can, just so you'll have leftovers!