1. It takes 20-30 minutes to cook waxy corn;

2. Generally speaking, sweet corn and fresh corn can be cooked within 10-15 minutes after boiling. If it is waxy corn, old corn, sticky corn, black corn, etc., it will take 5-10 minutes.

3. Wash the waxy corn silk and waxy corn and put them in a hot pot. The water covers the corn. After boiling over high heat, continue cooking over low heat for about 20 minutes. Peel off the outer thick skin of the waxy corn, leaving two thin layers inside. Corn cooked with the skin on will be sweeter and more fragrant. Cooked corn is best drained immediately. Don't soak it in boiling water for too long or the corn will taste bland.