How do you  blanch and freeze corn?
 To blanch corn, bring one gallon of water to a boil in a large pot with a basket insert and a lid. Put the corn in the blanching basket, and lower into boiling water. Cover with a lid. The water should return to boiling within 1 minute, or you are counting blanching time as soon as the water returns to a boil. 
2. To freeze corn cut corn, blanch the ears first. Bring a large pot of water to boiling. Have a large bowl of ice water ready. Place a few ears of corn at a time in the boiling water. Cook for 4 minutes. 