2. When cooking corn, peel off the thick skin on the outermost side of the corn, leave the thin skin on the innermost layer, keep the corn stigma and wash it; Put the corn in the pot, add water, and cook it without touching the surface of the corn. The ripening time of sweet corn and sticky corn is different. If cooked in the same pot, the sweet corn should be squeezed out first, and the sticky corn should be cooked and fished out. It is best to drain the boiled corn immediately, and don't soak it in the boiled water for a long time, otherwise the taste of corn will not be rich.