Once you try cooking corn in the Instant Pot, you'll never want to make it any other way! Instant Pot corn on the cob is perfectly cooked in two minutes and is so juicy! Never have to deal with a pot of boiling water ever again!
Pour 1 cup of cold water in the Instant Pot, then add corn.
Close the lid of the Instant Pot and turn the valve to Sealing position.
Select "Manual" or "Pressure Cook" button and set the time for 2 minutes on High pressure.
When the corn is done cooking, do the Quick Release (QR) of the steam, and remove the corn from the Instant Pot.
Notes
You can cook any quantity of corn in the Instant Pot (as many as can fit), the amount of water is always 1 cup and the cooking time is always 2 minutes.