1, look at the color: when the corn boiled for a period of time, open the pot to see if the color of the corn changed. Cooked before the corn color is relatively light, cooked corn color is deeper, is the kind of golden yellow, which means that the corn is cooked.
2, feel the hand: peel off a grain of corn, if the corn grain is relatively hard and solid without hollow, pinch no juice splash out, which means that the corn has been cooked, if there is still juice inside the corn kernel, then it is not cooked.
3, taste texture: taste the corn, taste if very soft and glutinous, corn grains inside the texture of no powder, that corn is cooked, if the corn is not fragrant, not soft and glutinous texture, there is a powder flavor, then the corn is not cooked at all.