27 Mind-Blowing Leftover Mashed Potato Recipes

Mashed potatoes are so delicious and go with so many different things that I can’t help but whip up an extra-large batch. 

But that typically leaves me with many leftover potatoes, and sometimes they can get a bit old on their own. 

That leaves me with the question of what to do with leftover mashed potatoes.

Thank goodness there are plenty of things to do with leftover mashed potatoes. 

I’ve found 27 mind-blowing leftover mashed potato recipes for you to peruse.

1. Spinach Quiche with Leftover Mashed Potato Crust

If you have a lot of mashed potatoes that you need to use quickly, try this spinach quiche that uses 24 oz. of mashed potatoes and any other leftover veggies you have.

Make it heartier by substituting half a pound of sausage instead of the bacon and fall in love with this hearty meal that’s ready in an hour.

2. Leftover Mashed Potato Patties with Swiss Chard

Go vegan with this ultra-tasty and healthy dish that combines the best of mashed potatoes and swiss chard or you’re favorite cooked leafy green.

You could even use frozen spinach to make this dish if you would like. But if you do, be sure to thaw and drain it.

Regardless of what green veggies you choose, can make a nice meal out of those leftover mashed potatoes pretty easily with this recipe.

3. Leftover Mashed Potato Fritters

Turn your leftover mashed potatoes into cheesy fried goodness. They’re the perfect base for smoked salmon and chives.

Instead of bagel and cream cheese why not try out this delicious option. Serve these at your next brunch and impress the crowd.

4. Quesadilla With Leftover Mashed Potatoes

Take a simple Mexican dish and make it more filling by adding leftover mashed potatoes to it. This is a three-ingredient meal idea that is next-level unique. 

An easy meal using just a few simple ingredients can turn into a fantastic on-the-go lunch.

While you can keep this basic and it still is delicious, I recommend adding in some bacon and avocado.

5. Leftover Mashed Potato Shepherd’s Pie

Shepherd’s pie is the perfect dish for leftover mashed potatoes. You can use any protein you want, including pork, and make a hearty dish that’s sure to please everyone.

I often wonder if this was the original recipe for using up leftover mashed potatoes. Something that I love about this recipe is that you can have leftovers from the leftovers.

6. Leftover Mashed Potato Balls

Mix the creaminess of leftover mashed potatoes with the richness of shredded cheese, roll it in breadcrumbs, and deep fry for an amazing twist on mozzarella balls.

These are so easy to make and easy to pop in your mouth that these could easily become a game day staple. 

If you are looking for an appetizer that you can make with leftover potatoes, give this one a try.

7. Leftover Mashed Potato Biscuits

Add some extra protein and fiber to your morning biscuits and gravy by making mashed potato biscuits.

This is a hearty twist on a classic biscuit recipe. When serving this scramble up some eggs and fry some bacon. 

Then sit back and enjoy as everyone raves about your biscuits and asks you what you did special with them.

8. Polish Dumplings with Leftover Mashed Potatoes

For those that prefer potatoes that get baked and then mashed, turn them into the perfect base for leftover juice from your roast. 

Just add a few extra ingredients, boil, and serve.

9. Loaded Mashed Potato Cakes

It’s everything you want from a loaded baked potato, but fried to a golden brown, and it uses up any leftovers you may have laying around.

10. Pierogi With Leftover Mashed Potatoes

The closest thing you will ever find to mashed potato ravioli, this mashup between dumpling and ravioli is sure to hit the spot and will disappear from your table so fast that it’ll seem like magic.

11. Potato Rings

If you mash up french fries and onion rings, you will get this. 

Lovely potato rings that are crispy on the outside and creamy on the inside. 

A perfect must-have for those that like the crunch of an onion ring but hate the onion.

12. Loaded Mashed Potato Bake

What to do with leftover mashed potatoes? 

Naturally, mix them with ham, cheese, and chives, throw the dish in the oven, and bake until lightly browned on top for a perfect casserole.

13. Potato Fritters

When the only thing you’ve got at home is leftover mashed potatoes, egg, and cheese, whip up these hearty fritters that delight your taste buds.

This recipe includes a lovely tomato garlic salsa that is served on top of the fritters. 

While you don’t have to make that if you don’t want to, it sure adds a delicious flair to the dish.

14. Potato Bread

Turn your leftover mashed potatoes into moist, delicious potato bread. Perfect for french toast in the morning or to slather in butter and serve with stew.

To make this recipe you likely have everything in the house already. You need some leftover mashed potatoes, eggs, butter, bread flour, butter, and sugar. 

You don’t need anything fancy to make this bread. All that you need is a bit of elbow grease. 

You can knead this one by hand and it actually won’t take you too long. This is a homemade bread that you can actually make even if it is your first time.

15. Bubble and Squeak

It is an English classic that has you throw all your leftover food together and fry it in patties until golden brown before serving it with ketchup or gravy.

This dish is a great use of leftover potatoes but it is also a fun one to cook. 

It is interactive and just has that old-fashioned flair that can make time in the kitchen fun again.

16. Leftover Mashed Potato Egg Rolls

A perfect blend of egg roll, mozzarella stick, and mashed potatoes deep-fried for an amazingly delicious bite.

This should be the official Black Friday snack! I imagine every day after Thanksgiving grabbing some leftover mashed potatoes and making this.

Is this the ultimate leftover comfort food?

I think yes!

17. Baked Potato Soup

Leftover mashed potatoes are the perfect thickener for this hearty and delicious baked potato soup.

This soup is made of chicken broth, buttermilk, and mashed potatoes. Then you add in the seasonings, garlic, onion, and other lovely flavors.

Finally, you top it with freshly chopped green onions, freshly cooked bacon, and sharp cheddar cheese. 

This will inspire everyone to make sure that there are plenty of leftover mashed potatoes moving forward.

18. Turkey and Potato Dumplings

Use up those Thanksgiving leftovers by turning them into turkey and dumplings. 

Add flour and egg to the potatoes before turning them into a bubbling pot of chicken or turkey stock, and watch them as they poof into the perfect dumpling.

19. Pierogi Lasagna

If you love the taste of pierogis but don’t have the time to make them, try this alternative by sandwiching creamy leftover mashed potatoes in between layers of pasta.

This recipe is cooked lasagna noodles topped with leftover mashed potatoes and shredded cheese. 

So after creating your layers you will top it with more shredded cheese and crumbled bacon.

20. Leftover Mashed Potato Muffins

Take your leftover mashed potatoes to go by baking them in the oven and turning them into hearty, cheesy muffins. 

This recipe with mashed potatoes is perfect for those on the go.

21. Meatloaf Cupcakes with Mashed Potato Frosting

Up your meatloaf game by making savory cupcakes with leftover mashed potato frosting. Also a perfect recipe for getting an ideal portion every time.

This is one of those instances where your food comes out pretty. At first glance, it looks like you are about to dive into a delicious cupcake but then you realize that is a savory treat.

22. Potato Scones

These scones are buttery and perfect with jam or shredded cheese. 

This recipe melts in your mouth, and people will never know you made it with leftover mashed potatoes.

You only need flour, baking powder, butter, milk, egg, and of course mashed potatoes to make this treat.

23. Leftover Mashed Potato Doughnuts

The perfect indulgent treat with a healthy twist and extra fiber from leftover mashed potatoes. Who knew that you could be something so sweet and yummy with mashed potatoes. 

There is something so charming about frying up donuts at home in a cast-iron skillet. 

After frying, pour a chocolate glaze on top and eat to your heart’s content.

24. Leftover Mashed Potato Cinnamon Rolls

If you have issues with having airy and flakey cinnamon rolls, you may need to add some leftover mashed potatoes to the mix. 

This recipe makes terrific cinnamon rolls without a hint of potato taste.

25. Chocolate Mashed Potato Brownies

Add moisture and richness to your brownies with a secret ingredient that nobody will guess. 

This recipe will have you wondering what else you can do with mashed potatoes.

26. Peppermint Patties

Homemade peppermint patties straight from the freezer with a mashed potato twist. 

Just be sure to use real leftover mashed potatoes for this recipe and not the instant kind if you don’t want your patties tasting like a potato.

27. Potato Candy

Potatoes aren’t just savory, but sweet! Check out this generations-old potato candy recipe. 

Fill them with peanut butter or cinnamon for the perfect treat.

The bottom line

The versatility of leftover mashed potatoes is astonishing. I don’t think any other leftover can top it. 

Whether you want savory or sweet, there are always things you can make with leftover mashed potatoes. 

We hope you find a recipe with mashed potatoes that suits you.