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Have you ever cooked too many potatoes for dinner and ended up with leftovers? Don’t worry, you’re not alone. In fact, there are plenty of ways to turn those leftovers into a new meal. Here are four recipes that will help you use up those extra potatoes. Enjoy!
How Long Do Leftover Roast Potatoes Last?
If you have leftover roast potatoes, chances are they’ll last for up to four days in the fridge. However, this all depends on how they were cooked and stored. For example, if you roasted your potatoes in olive oil, they’ll most likely go bad quicker than if they were roasted in butter.
4 Recipes to Use Up Leftover Roast Potatoes

- Roasted Potato Soup: This soup is simple to make and only requires a few ingredients that you probably already have in your kitchen. Just add some chopped onions, garlic, chicken broth, and milk to your blender along with your leftover potatoes. Season with salt and pepper to taste and blend until smooth. Serve with a dollop of sour cream or Greek yogurt and some chopped chives.
- Potato Pancakes: These are a great way to use up leftover mashed potatoes. Just add an egg and some flour to your mashed potatoes and mix until combined. Then, form the mixture into small pancakes and fry in a bit of oil until golden brown on both sides. Serve with sour cream, applesauce, or your favorite breakfast toppings.
- Potato Gratin: This dish is perfect for using up leftover roasted potatoes. Simply layer thinly sliced potatoes in a baking dish with some shredded cheese, heavy cream, and chopped fresh thyme. Season with salt and pepper to taste and bake at 375 degrees Fahrenheit until bubbly and golden brown on top.
- Fried Potatoes: This is a classic way to use up leftover potatoes. Simply slice your potatoes into thin wedges and fry in a bit of oil until golden brown and crispy. Serve with eggs for breakfast or as a side dish at dinner.
What to Do with Leftover Roast Potatoes?
There are so many delicious things you can do with leftover roast potatoes! Here are some ideas to get you started:
- Toss them in a salad for a hearty and filling meal
- Add them to a soup or stew for extra heartiness and flavor
- Chop them up and use them as toppings for salads, pizzas, or even omelets
- Make roasted potato wedges by slicing the potatoes into wedges and roasting them in the oven until crispy
- Or simply reheat and serve as a side dish with your next meal!
Are Roast Potatoes Able to Be Frozen Once They Have Been Cooked?

Yes, roast potatoes can be frozen once they have been cooked. To do this, allow the potatoes to cool completely then place them in a freezer-safe container with a tight fitting lid. Label the container with the date before placing it in the freezer where it will keep for up to 3 months.
When you are ready to use the potatoes, there is no need to thaw them first. Simply place them on a baking sheet and reheat in a preheated oven until crisp and heated through, about 15 minutes.
If you have any leftover gravy, you can freeze that as well. Place it in a separate freezer-safe container and label it with the date before freezing for up to 3 months. When you are ready to use it, thaw in the refrigerator overnight then reheat on the stove over low heat until warmed through.
What Else Can I Do with Leftover Roast Potatoes?
There are many ways to use leftover roast potatoes. Here are a few ideas:
- Add them to a frittata or omelette.
- Use them as a topping for shepherd’s pie or cottage pie.
- Make roasted potato salad by adding some chopped fresh herbs and a simple vinaigrette.
- Toss them with some cooked greens and crumbled bacon for a delicious side dish.
- Mash them with some garlic and butter for easy garlic mashed potatoes.
- Make roasted potato soup by pureeing the potatoes with some chicken or vegetable stock.
- Chop them up and use them as a filling for savory pies or pasties.
Frequently Asked Questions | What to Do with Leftover Roast Potatoes
1. Can I eat leftover roast potatoes?
Yes, you can definitely eat leftover roast potatoes. In fact, they can be just as delicious the second time around! Just make sure to reheat them properly to avoid any food poisoning risks.
2. How long do leftover roast potatoes last?
Leftover roast potatoes will last for 3-4 days in the fridge when stored properly in an airtight container.
3. What is the best way to reheat leftover roast potatoes?
The best way to reheat roasted potatoes is in a 350 degree oven until heated through, about 15-20 minutes. You can also reheat them in the microwave, but be careful not to overcook them or they will be dry and rubbery.
4. Can I freeze leftover roast potatoes?
Yes, you can freeze leftover roast potatoes. Just make sure to thaw them properly before reheating.
5. What can I do with leftover roast potatoes?
There are plenty of things you can do with leftover roast potatoes! Here are a few ideas:
- Make roasted potato salad by adding some chopped veggies and your favorite dressing
- Toss them in a frittata or omelette
- Add them to a soup or stew
- Use them as topping for a shepherd’s pie or other casserole
6. How should I store leftover roast potatoes?
Leftover roast potatoes should be stored in an airtight container in the fridge.
7. Are leftover roast potatoes safe to eat?
Yes, as long as they are properly stored and reheated, leftover roast potatoes are perfectly safe to eat. Just make sure to follow food safety guidelines to avoid any risks of food poisoning.
Final Thoughts
Leftover roast potatoes can be stored in the fridge for up to four days or frozen for up to two months. They can be reheated in the oven, microwave, or even on the stovetop. You can also use them in a variety of dishes, both savory and sweet. Here are some recipes that will make use of your leftover roast potatoes.
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