Instant Pot Corn on the Cob

4.24 from 52 votes

Instant Pot Corn on the Cob is infused with buttery flavor and so easy to make. Once you've tried it, you'll never boil corn again.

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Prep Time5

Cook Time2

Pressurizing and Natural Release Time18

Total Time25

Course: Side Dish

Cuisine: American

Method: Instant Pot

Servings: -6 servings

Calories: 164kcal

Author: Corinne Schmitt

Equipment

Instant Pot
Tongs
Corn holders

Ingredients

4-6 ears of corn
1 cup milk
1 cup water
2 tablespoons butter
salt to taste

Instructions

Add the water, milk and butter to the bottom of the Instant Pot.
1 cup milk, 1 cup water, 2 tablespoons butter
Remove the husks from your corn and gently scrub the corn to remove the silk. Carefully add the corn cobs to the pot so you don’t splash the liquid out.
4-6 ears of corn
Secure the lid, make sure the valve is on “sealing” and set to manual for two minutes.
Allow the Instant Pot to natural release after it is finished cooking. Then, you can safely remove the lid and remove your flavor-infused corn cobs.
The corn on the cob is ready to be served and enjoyed by your family and friends. You shouldn’t need to add more butter, unless you’re a real butter fanatic then you can certainly spread more on!
salt

Notes

Pro Tips

Cut the cobs in half if needed—if your corn is too long to fit in the pot, you can easily cut it in half before cooking. This also makes it easier for kids to handle.
Don’t skip the natural release. Letting the Instant Pot naturally release pressure for at least 5 minutes helps the corn finish cooking gently and keeps it extra juicy.
While the milk and butter infuse the corn with flavor, you can also sprinkle extra salt, pepper, or any favorite spices after cooking to adjust to taste.
If you’re not serving right away, you can use the Instant Pot’s “Keep Warm” setting for up to an hour. Just make sure there’s still a bit of liquid so it doesn’t dry out.
The freshest corn will be the sweetest and juiciest. If you can, buy corn the same day you plan to cook it.

Recipe FAQs

Can I use frozen corn on the cob?

Yes! You can cook frozen corn on the cob directly from frozen in the Instant Pot. Just add about 1 extra minute to the cook time (so, 3 minutes total), and still do a natural release.

How many ears of corn can I cook at once?

It depends on the size of your Instant Pot. In a 6-quart pot, you can usually fit 4–6 ears (sometimes more if you cut them in half and stack). Just make sure not to go above the “Max Fill” line.

How do I store leftover corn?

Store leftover corn in an airtight container in the fridge for up to 3–4 days. You can reheat it in the microwave, or briefly in the Instant Pot on “Steam” with a little water.

Nutrition