Have leftover mashed potatoes? Don’t toss them! Reheating mashed potatoes is a great way to use up leftovers and make dinner even better. Let’s learn How To Reheat Mashed Potatoes.

Reheating Mashed potatoes
Mashed potatoes are a mainstay of the American dinner table. They’re a great side dish, they are easy to make, delicious, and can be paired with just about anything. But sometimes you might have leftover mashed potatoes from last night’s dinner or from Thanksgiving. What do you do? You don’t have to toss them!
If you have leftover Mashed potatoes, don’t toss them! You can reheat them in a way that they will remain delicious, buttery, creamy, and moist.
Reheating mashed potatoes is a great way to use up leftovers and make dinner even better. You can reheat it in different ways, but I will show you the oven, stovetop, microwave, and slow cooker methods. without them being gummy or lumpy.

How to reheat mashed potatoes in the oven:
To reheat mashed potatoes in the oven:
- Preheat the oven to 350°F
- Place the potatoes in an oven-safe dish
- Add a bit of butter, milk, or cream for extra moisture.
- Cover the dish with foil and bake for 10-15 minutes, stirring gently every 5 minutes.
- Once your bowl of potatoes is hot, at least 165°, you can serve and eat.
How to reheat mashed potatoes on the stove:
To reheat mashed potatoes on the stove:
- Place the mashed potatoes in a pot over low heat
- Add a bit of butter, milk, or cream for extra moisture.
- Cover the pan with the lid.
- Use your spoon or spatula to stir the potatoes often but gently to allow even heating and a consistent result.
- Let your mashed potatoes reheat for about 8 – 10 minutes under low and slow heat.
- Serve and enjoy
How to reheat mashed potatoes in the microwave:
To reheat mashed potatoes in the microwave:
- Place the mashed potatoes in a microwave-safe bowl
- Add a bit of butter, milk, or cream for extra moisture
- Cover the bowl with a damp paper towel
- Heat on high, stirring every 30 seconds until warmed through.
- Serve and enjoy.
How to reheat mashed potatoes in the crock pot
To reheat mashed potatoes in a slow cooker,
- Place them in the slow cooker
- Add a bit of butter, milk, or cream for extra moisture.
- Cover and cook on low for 2-3 hours, stirring every 30 minutes.

Tips for reheating Mashed Potatoes without drying them out
- To reheat mashed potatoes without drying them out, adding a bit of butter, milk, or cream is recommended.
- Additionally, heat gently over low heat rather than high heat, and make sure to gently stir the potatoes often. This will help keep them creamy and delicious!
- You can still add extra herbs and veggies to switch up the flavor of your leftover potatoes.
- For ease, you can divide the mashed potatoes into smaller portions.
- If you have stored your potatoes in the refrigerator, let your mashed potatoes rest at room temperature before you reheat them.
- Avoid vigorous stirring so that the mashed potatoes don’t turn out gummy.
- You will know that the heating is consistent when the internal temperature is about 165°C.
Is reheating Mashed Potatoes Safe?
Of course, it is safe to reheat your mashed potatoes. Before reheating, I love to store my mashed potatoes in the freezer to preserve them. I have mentioned in the tips above that you let your mashed potatoes rest at room temperature before reheating them.
How long you keep it at room temperature before you reheat it will determine the safety of your food. If you leave your food for too long before reheating it, it will not be safe for eating. Leaving the mashed potatoes for too long will allow harmful bacteria to grow in your food.
How long can you keep Mashed Potatoes?
Mashed potatoes can last up to 3-5 days in the fridge when stored in an air-tight container. The lifespan of mashed potatoes with a diary is shorter.
More Potatoes Recipes you will love:
- Crispy Baked Potato Wedges
- Crispy Air Fryer Baby Potatoes
- Perfectly Crispy Air Fryer Hasselback Potatoes
- Mashed Sweet Potatoes
- Crispy Air Fryer French Fries
- Air Fryer Breakfast Potatoes
- Garlic Roasted Potatoes with Rosemary
- Ground beef and potatoes Dinner
- Breakfast Potatoes and Egg Stew
- Stewed Beef Potatoes
- Best Skillet Potatoes

How To Reheat Mashed Potatoes
Instructions
To reheat mashed potatoes in the oven:
- Preheat the oven to 350°F
- Place the potatoes in an oven-safe dish
- Add a bit of butter, milk, or cream for extra moisture.
- Cover the dish with foil and bake for 10-15 minutes, stirring gently every 5 minutes.
- Once your bowl of potatoes is hot, at least 165°, you can serve and eat.
To reheat mashed potatoes on the stove:
- Place the mashed potatoes in a pot over low heat
- Add a bit of butter, milk, or cream for extra moisture.
- Cover the pan with the lid.
- Use your spoon or spatula to stir the potatoes often but gently to allow even heating and a consistent result.
- Let your mashed potatoes reheat for about 8 – 10 minutes under low and slow heat.
- Serve and enjoy
To reheat mashed potatoes in the microwave:
- Place the mashed potatoes in a microwave-safe bowl
- Add a bit of butter, milk, or cream for extra moisture
- Cover the bowl with a damp paper towel
- Heat on high, stirring every 30 seconds until warmed through.
- Serve and enjoy.
To reheat mashed potatoes in a slow cooker:
- Place them in the slow cooker
- Add a bit of butter, milk, or cream for extra moisture.
- Cover and cook on low for 2-3 hours, stirring every 30 minutes.
Nutrition
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