Corn can be cooked in 15 minutes. 1. When cooking corn, if you want to eat tender and smooth corn, you can boil the corn and cook it for fifteen minutes. At this time, the corn is ripe, sweet and delicious. However, if the corn itself is older, the cooking time should be appropriately extended. 2. How long does the corn cook? In fact, corn can be boiled in boiling water for fifteen minutes, but the taste of tender corn is different from that of old corn. You can decide the specific time to cook corn according to your own taste. In addition, eating some tender corn can play a role in regulating the stomach, and you can eat more. 3. The longer corn is cooked, the higher its unique anti-free radical activity will be, and the anti-aging effect will be obvious after people eat it. So for some middle-aged and old friends, it is best to cook corn for a while. Scientists have proved that corn has the highest anti-free radical activity when cooked for more than 50 minutes.