How Long to Boil Corn on the Cob So It’s Perfectly Cooked

: 4 to 5 minutes in boiling water is all it needs. Some people argue that truly fresh corn barely needs cooking at all — and they are not wrong.

  • Market-fresh corn (1 to 2 days old): 6 to 7 minutes produces perfectly tender kernels without crossing into starchy territory.
  • Larger ears or slightly older corn (3 days or more from harvest): 8 minutes is the upper limit. Beyond 8 minutes, even older corn begins to deteriorate in texture and flavor.
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    The Correct Method, Step by Step

    Shuck and Rinse

    Peel away the husks and silk entirely. Rinse each ear briefly under cool water to remove any remaining silk threads. If you want to serve the corn with a natural handle, leave the very innermost layer of husk intact, fold it back to expose the kernels for cooking, and fold it back down for serving — it makes for elegant presentation at the table and keeps your hands cooler while eating.

    Salt the Water

    Fill a large pot with enough water to fully submerge the ears — roughly one quart of water per ear as a guideline. Add one tablespoon of salt per quart of water. Salted water seasons the corn from within as it heats and makes a noticeable difference in the depth of flavor in the finished ear. Do not add sugar to the water — this is an old technique based on the mistaken belief that it makes corn sweeter; it does not, and it makes the water sticky and unpleasant to work with.

    Boil First, Then Add Corn

    Bring the water to a full, rolling boil before adding any corn. This is non-negotiable. Adding corn to cold water and bringing it to a boil gradually causes the exterior to overcook while the interior warms slowly, producing uneven texture. A rolling boil when the corn enters the pot ensures immediate, even heat distribution. Lower the ears gently into the pot using tongs — do not drop them in and splash boiling water — and do not overcrowd the pot. Cook in batches if necessary; crowding drops the water temperature and extends the cooking time unpredictably.

    Time It and Trust It

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