1. Different corns need different cooking times. Ordinary sweet corn and fresh corn can be cooked in 10-15 minutes after boiling the pot; waxy corn, old corn, sticky corn, black corn, purple corn, etc. , the cooking time needs to be added 5-10 minutes.
2. If you cook different corns in the same pot, you can put the corn that has been used for a short time first, and then continue to cook the corn that has been used for a long time; the cooked corn needs to be removed and drained, and the corn that has been used for a long time should not be cooked. Time to soak in water or keep boiling.