Fill a large pot with enough water to cover the corn and bring it to a boil over high heat.

Carefully add the frozen corn on the cob to the boiling water.

Let the water return to a boil, then reduce the heat slightly to maintain a strong simmer.

Cook the corn for about 5 minutes, or until the kernels are hot and tender.

Remove the corn from the water with tongs and let them drain.

Serve each ear of corn with a tablespoon of butter spread over it while hot.