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How to reheat corn on the cob

At the site of a mountain of freshly picked corn cobs, we can’t help but get overly excited in their beautiful green-bellied glory. It’s a sign of the end of summer, a harbinger of the upcoming holidays and a staple of our menu every year. Since the peak season for sweet corn is quite short (harvest is usually between mid-summer and November), we often buy a bounty and cook the corn in large batches. What can we say, long, cold winters and rainy springs await this moment, it’s hard to resist overdoing it!


Once you master how to reheat corn, you can feel free to overeat anytime. Refrigerate cooled cooked corn in an airtight container for up to 5 days, then use one of our Test Kitchen’s favorite methods on how to reheat corn on the cob below to bring each piece back to its buttery-ready, warm, sweet glory.


Andy Lyons

How to reheat corn in 6 ways

Each of these options for how to heat corn on the cob takes less than 10 minutes! Read on for instructions for each, then for details on freezing vegetables to extend their life even further.


How to reheat corn on the cob in the oven

Curious how to reheat corn on the cob so that each kernel cooks more evenly? The secret is in your oven.


  • Preheat oven to 400°F.
  • Transfer the corn cobs to a baking dish, then add 2 tablespoons of water to the bottom of the dish. (This essentially helps the corn “steam” a bit.)
  • Cover the dish with aluminum foil.
  • Place the dish in the oven and reheat the corn cobs for 5 minutes.
  • Garnish as desired and serve.

How to reheat corn on the cob in the broiler

To speed up your oven reheat technique, switch from bake to broil.


  • Preheat broiler.
  • Transfer the corn cobs to a wire rack on a broiler pan or sheet pan.
  • Place the pan in the oven on a rack 6 inches from the heat source.
  • Cook for 1 minute; Turn each cob ¼ turn.
  • Repeat the braille and reverse steps until you have made 2 full rotations of each corn on the cob.
  • Garnish as desired and serve.

How to reheat corn on the cob in the microwave

For quick and easy ideas on how to heat up corn on the cob (and not heat up your whole kitchen!), turn to your trusty microwave.


  • Transfer the corn cobs to a microwave-safe baking dish, then add 2 tablespoons of water to the bottom of the dish.
  • Cover the dish with a damp towel (not dry to help steam the corn).
  • Microwave for 30 seconds.
  • Flip the corn over and microwave for another 30 seconds.
  • Carefully lift the towel to check for doneness; Add another 30 seconds if necessary.
  • Garnish as desired and serve.

How to reheat corn on the cob in boiling water

Boiling is one of the most common ways to cook corn in the first place, and yes, it’s an option for how to heat corn on the cob.


  • Bring a large pot ½ to ⅔ full of water to a boil on the stove.
  • Transfer the corn cobs to the boiling water and boil for 2 minutes.
  • Garnish as desired and serve.

How to reheat corn on the cob in an air fryer

Similar to a mini convection oven, this countertop appliance can make quick work of reheating corn.


  • Preheat air fryer to 350°F.
  • Transfer the corn cobs to the air fryer and cook for 3 to 4 minutes, or until heated through.
  • Garnish as desired and serve.

How to reheat corn on the cob on the grill

If the weather is nice enough to fire up your charcoal grill or gas grill and you’ve already lit it to grill your main dish, try this trick on how to heat corn on the cob.


  • Brush the corn cobs with oil or butter.
  • Transfer the prepared corn cobs to a medium-heat grill.
  • Use tongs to turn the pieces every 30 seconds until all sides are warm (this usually takes us about 2 full rotations).
  • Garnish as desired and serve.

Monica Rodriguez/Getty Images

How to freeze corn on the cob

If you don’t expect to crank all of your corn within 5 days of cooking it, press “pause” by putting it on ice.


  • Round out a sharp knife, then follow these steps on how to cut a cob (without making a mess).
  • Line a sheet pan or freezer-safe baking dish (that fits in your freezer) with parchment paper.
  • Spread the corn kernels on the prepared pan, spreading them out so the kernels are in a single layer.
  • Flash freeze the corn for 30 to 60 minutes.
  • Transfer the frozen kernels to a freezer-safe bag, squeeze out excess air, and seal it. Label with the date and freeze for up to 12 months.

Our favorite corn recipes can be made with fresh or frozen corn kernels, so check your ingredients list; You may be better off using your frozen kernels. Or to reheat frozen corn, transfer the kernels to a colander and rinse under cold water until the pieces no longer look frosty. In a skillet over medium-high heat, add the corn and 1 to 2 tablespoons of butter. Cook, stirring frequently with a wooden spoon or heat-safe spatula, until the butter is melted and the corn is warm (about 5 minutes). Season as you see fit and dive in.

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