After boiling, steam for 15-20 minutes, and steam the corn out of the water. If gas is used, turn on a small fire and steam slowly, about 10 minutes. Steam the old corn for 20 minutes, and the young corn must not be steamed for too long, otherwise it will not taste good.

Hainan ice cream corn is a dominant heterozygote selected by crossing several wild varieties with each other through traditional breeding techniques. After sowing the first generation of this kind of corn, the seeds can't be planted any more because of the separation of hybrid characters.