2. Practice: Wash and cut the corn into sections, put the butter in the microwave oven, add water to the pot, put the corn in the oven for 10 minute (the oven is preheated to 250 degrees), then take it out and drain it. Spread tin foil on the baking tray, evenly brush the corn with butter, and put it in the oven at 250 degrees, with middle layer 10. Take out the baking tray, brush it with butter first, then sprinkle the corn with black pepper, salt and spiced powder evenly, and then send it into the oven again 10 minute, and eat it while it is hot.