How to Reheat Sweet Potatoes in the Microwave?


Quick Answer: How to Reheat Sweet Potatoes in the Microwave?

To reheat sweet potatoes in the microwave, keep the sweet potatoes at room temperature for 30 min. Cut it into two halves & cover each half with a wet paper towel. Place it in a microwave-safe bowl. Reheat & rotate it for 3-5 min on medium heat. Stop reheating when the internal temperature reaches 165°F.


Sweet potato is a very versatile ingredient & can be incorporated in many dishes in various forms.

It can be fried, baked, steamed, mashed & made into chips, soups, casseroles, pies, salads & whatnot. It is also packed with significant nutrients that make it even better.

Cooked sweet potatoes should be refrigerated & kept out of the temperature of 41°F – 140°F to prevent rotting & to inhibit the growth of microbes.

Reheating the sweet potatoes for further consumption is important & using a microwave to do so is the easiest & the best way.

So, here is a detailed guide with all the tips, instructions & answers to frequently asked questions that you need to know before reheating sweet potatoes in a microwave.

How to Prepare the Sweet Potatoes for Reheating in a Microwave

Various cooked form of sweet potato needs various preparation before getting reheated in the microwave.

Taking the sweet potato out of the refrigerator 30 minutes before putting it inside the microwave is always a good idea.

If baked or steamed sweet potatoes are being reheated in the microwave, then cut them into two halves & cover each half with a damp paper towel before beginning the process.

You can also poke the sweet potatoes with a knife or a fork before placing them in the heat.

When reheating crispy sweet potato fries, we need to preheat a microwave crisper pan on which the fries will be later placed to be reheated.

For any other dish made of sweet potato, no such preparation is required.

How to Reheat Sweet Potatoes in a Microwave

How to Reheat Sweet Potatoes in a Microwave

Prep Time: 30 minutes
Active Time: 5 minutes
Total Time: 35 minutes

Keep the sweet potatoes at room temperature for 30 min. Cut into halves & cover each half with a damp paper towel.
Then place it on a microwave-safe bowl & reheat it on medium heat for 3-5 minutes on 100% power.

Keep rotating it & stop heating once heated to 165°F.


  • A microwave-safe dish or bowl, something made of glass, ceramic or microwaveable plastic
  • Damp paper towels
  • A thin knife or fork
  • A vented lid


  • Tongs
  • A food thermometer


    1. Prepare the sweet potato – Keep the baked/steamed sweet potato out of the refrigerator, at room temperature for around 10 – 30 minutes.

      Before placing it inside the microwave, cut it into two halves & cover each half with a damp paper towel.

      If you don’t want to cut the potato in half, then take a thin knife or fork & poke 5 – 6 times all around the potato . Then cover it with a damp paper towel.

    2. Set the sweet potato inside the microwave – Place the sweet potato in a microwave-safe bowl, preferably glass or ceramic ware.

      Cover it with a vented lid if you have not covered the potato with a damp paper towel already.

    3. Microwave settings – Keep the bowl in the center of the turntable & reheat it on medium-high heat. Use the microwave with 100% power for around 3 minutes.

      If more than 1 sweet potato is being reheated, then repeat the process for an increment of 2 minutes for every additional sweet potato.

    4. Rotate the sweet potatoes – Keep rotating the potatoes with tongs so that each side gets evenly reheated. This will also prevent any side of the sweet potatoes from getting burnt.

    5. Check the temperature - Use a food thermometer to check that the internal temperature of the sweet potato reaches 165°F .

      Keep heating until the middle of the sweet potato records the mentioned temperature.

    6. Remove the sweet potatoes from the microwave – Once the food thermometer records the temperature of 165°F it is safe to remove the sweet potatoes from the microwave & it is ready.

      Don’t over or under heat the sweet potatoes as they may dry up & lose their texture in the former case & it will be unsuitable for consumption without adequate heat.


Temperature: Medium-high heat

Tips to Remember while Reheating Sweet Potatoes in a Microwave

Please follow the tips while reheating ground beef in a microwave quickly & safely:

  • Use microwave-safe containers – Use glass or ceramic bowls & microwaveable plastic containers. Do not use disposable plastic wares.Please check the bottom of the container to read labels that indicate whether it’s safe or not to use it in the microwave.
  • Use a damp paper towel – To keep the sweet potatoes from drying up & losing their texture, use a damp paper towel. It will lock in the moisture & keep it tender & soft. It also ensures even heating .You can also use a microwaveable plastic wrap but try not using it as the steam from the sweet potato can potentially melt it resulting in harmful chemicals leaching into the food.
  • Use a vented lid – If you are seasoning the skin then skip using the paper towel as it will absorb all the oil & the spices, rather use a vented lid for even cooking.
  • Poke the sweet potatoes – Take a knife or a fork to poke the sweet potatoes at several places to let the steam formed inside escape. If the steam does not get any way out, then the potato might explode causing an undesirable situation.
  • Refrain from using metal or foam – Do not use any metal container in the microwave. Avoid using foam trays or aluminum foils, paper napkins & colored paper plates as they can melt or release toxins.
  • Bring the sweet potatoes to room temperature – Reheating sweet potatoes in the microwave at room temperature is easier & quicker than reheating them straight out of the fridge.
  • Rotate the potatoes – Keep flipping the potatoes for even reheating. Keeping it in one place may cause burning & dryness. If it’s a cooked dish containing sweet potatoes then keep stirring.
  • Check the temperature – Keep heating until the internal temperature of the sweet potato reaches 165°F . This will ensure the absence of any microbes & it will be perfectly reheated at this temperature.

How to Reheat Mashed Sweet Potatoes in a Microwave

Time Taken: 30 minutes

Active time: 2 minutes

Temperature: High heat

What You Need:

  • A microwave-safe casserole bowl
  • A vented lid
  • Stirrer
  • A food thermometer
  • A microwaveable plastic wrap
  • Milk or butter

Keep the mashed sweet potato at room temperature for 30 min. Transfer it to a microwave-safe casserole bowl & cover it with a wrap or a vented lid. Reheat & stir for 1-2 min.

Add milk/melted butter for maintaining a smooth consistency. Stop once it reaches 165°F.

Keep the mashed potato at room temperature

Place the mashed potato at room temperature for around 30 minutes. This will help to reheat the dish quickly.

Place the mashed potato inside the microwave

Transfer the mashed potato into a microwave-safe casserole bowl & evenly spread the top surface.Cover the bowl with a microwaveable plastic wrap or a vented lid & place it inside the microwave.

Reheat & stir

Reheat the mashed sweet potato for 1 – 2 minutes on high heat & keep stirring in between. Make sure to cover the bowl every time after stirring.

Add butter or milk

Add a tablespoon of melted butter or little milk to the mashed potato to keep in the moisture & maintain a loose consistency.

Stop reheating

Check the temperature by using a food thermometer placed in the middle of the bowl. Stop reheating once the temperature reaches 165°F.

Alternate Ways to Reheat Sweet Potatoes

Reheating sweet potatoes in an oven is one of the best ways to get desired results. Keep the sweet potatoes at room temperature for 30 min.

Preheat the oven to a temperature of 350°F – 400°F. Place the sweet potatoes on a baking sheet & reheat in the oven for 20 min.

You can also use an air fryer for reheating sweet potatoes.

Set the temperature of the air fryer at 400°F & let the sweet potatoes heat for 3 minutes or wait till they are uniformly reheated.

Using a stovetop is also one of the simplest & quickest ways to reheat sweet potatoes. Put some oil on a frying pan & place half-cut potatoes in it & heat in low flame.

Cover the pan with a lid & wait till it’s completely reheated. Keep flipping & serve hot.

How to Store Reheated Sweet Potatoes

Cool the reheated sweet potatoes to room temperature & keep them in the refrigerator within 2 hours of reheating them. Store it in lower than 40°F temperature. Do not put it in the freezer as it will turn mushy & too soft. Consume it within 3-4 days.

Reheated sweet potatoes can spoil due to the growth of microbes in them.

So, the USDA recommends refrigerating it within 2 hours of reheating & keeping it safe from the temperature danger zone of 40°F – 140°F.

How to Reheat Sweet Potato Fries in the Microwave

Keep the fries at room temperature for a short time. Place them apart from each other in a browning tray.

Preheat a microwave crisper pan in the microwave & heat the fries in the pan for 3 minutes & the sweet potato fries will not only be reheated but also will be crispy.

How to Reheat any other Dish containing Sweet Potatoes in the Microwave

No preparation is required for reheating any other dish containing sweet potatoes.

Place the food in a microwave-safe bowl & reheat it in the microwave on medium heat for a minute till the temperature reaches 165°F.


Is it Safe to Reheat Sweet Potatoes in a Microwave?

Yes, it is safe. Once the food reaches 165°F after heating then it is safe to consume it.

Reheated sweet potatoes can be stored in the refrigerator after 2 hours of reheating without worrying about any health hazards. The USDA recommends consuming it within 3-4 days .

Also, make sure to poke the sweet potatoes to let the steam out & prevent any explosion that may be a threat to the safety of the person.

How to Prevent Drying up of Sweet Potatoes when Reheating in a Microwave?

Cover the sweet potatoes entirely with a damp paper towel to lock in the moisture. Use a vented lid if you would like to season the potatoes & not use wet paper towels.

If you are reheating mashed potatoes, then adding milk/melted butter will help in retaining the moisture.

Bottom Line

I hope this comprehensive article helped you in reheating sweet potatoes in the microwave easily. If you have any queries regarding the process, feel free to ask us.

Also, if you know any other methods or tips please let us know so we can add them to our article to make it even better!

Do share this with your family & friends who may want to reheat sweet potatoes in the microwave & help them out to

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About Karen Wilson

Karen is a foodie to the core. She loves any variety of food - spicy or junk! Her slender body and height are deceiving, as she enjoys eating hearty meals that would leave most people gasping for air. She has an appetite for life, and wants everyone around her to share in it too.

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