Food & cooking

How to cook corn on the cob in boiling water

Shuck corn, lower it into boiling water safely and cook just until the kernels are tender. Use tongs to drain each ear.

Cooked yellow corn on a platter beside kitchen tongs.

Fresh sweet corn needs a relatively short cook. Start with a pot large enough for the ears but leave room for the water level to rise when they go in.

The quick answer

Remove husks and silk, lower corn into boiling water and cook until the kernels are tender, often about 4–7 minutes after the water returns to a simmer. Lift out with tongs and season.

Go straight to the steps

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Before you begin

Leave enough headroom in the pot to avoid overflow. If ears do not fit, cut them on a stable board or cook in batches rather than forcing them into a small pot.

What you’ll need

  • Large pot
  • Tongs
  • Serving tray
  • Optional knife and board

Measure before you start

Ingredients

Base batch: 4 ears

Ingredient amounts scale; oven temperatures and cooking times do not. Split a larger batch between pans when needed.

Use the base batch for your first attempt. Adjust seasoning to taste and check texture as you cook.

Optional tools & supplies

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Let’s do this

Step by step

0 of 5 steps complete
  1. 01

    Remove husks and silk

    Pull away the husks and rub or brush off remaining silk under running water. Trim damaged areas. Keep the prepared ears on a clean tray.

  2. 02

    Bring water to a boil

    Fill a suitably sized pot with enough water for the corn, allowing for displacement. Bring to a boil. Keep the handle out of the walkway.

  3. 03

    Lower the corn carefully

    Use tongs to add ears without splashing. Let the water return to a simmer, then cook about 4–7 minutes, adjusting for size, freshness and the tenderness you like.

  4. 04

    Check and lift out

    Test a kernel carefully after letting a small sample cool. When tender, lift each ear with tongs and allow hot water to drain over the pot.

  5. 05

    Season at the table

    Serve on a tray with desired toppings. Let ears cool enough to handle before inserting holders or eating. Do not leave a cooked batch sitting warm for hours.

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Avoid an unnecessarily long boil

If the corn is already tender and sweet, extended boiling is not an improvement. Cook another batch when needed instead of holding the first batch in simmering water throughout a long meal.

Serve now or store safely

Refrigerate perishable cooked food in shallow containers within 2 hours, or within 1 hour when the room or outdoor temperature is above 90°F. Keep the refrigerator at 40°F or below. Use most cooked leftovers within 3–4 days and reheat to 165°F. Do not wait for a large pot to cool completely on the counter.

A quick final check

  • Remove husks and silk
  • Bring water to a boil
  • Lower the corn carefully
  • Check and lift out
  • Season at the table

Common questions & sticking points

Can I use frozen corn on the cob?

Yes, but follow its package instructions rather than assuming the same time as fresh ears.

Should I add sugar to the water?

It is unnecessary for fresh sweet corn. Taste the corn and season after cooking.

Sources & further reading Optional

References used to check this guide. Follow your product’s own safety instructions where its design differs.

Last source check: September 24, 2026