How to Reheat frozen corn on the cob?
The best way to reheat a frozen corncob is to thaw it first. If you plan on eating it later you can take the Ziploc bag out and keep it on the kitchen counter until it returns to normal temperature. You can also run it directly under running water for 2 to 3 minutes. Avoid spraying salt to defrost. It will change the flavor of the corn.