1. Wash and peel the sweet potato, wrap it in toilet paper, wet it with water, put it in the microwave oven, and bite for 5 minutes, *** 10 minute.

2. Take out the sweet potato, peel it and mash it. Add appropriate amount of butter, stir with an iron spoon, and decide whether to add white sugar according to personal preference and sweetness of sweet potato. Stir well and put it on a plate.

3. Sprinkle with shredded cheese. Heat in the microwave oven for 3_4 minutes until the cheese melts and bubbles.