1. Steam the potatoes for about 15 minutes.
2. Peel the potatoes and puree them with a whisk
3. Pour the butter and milk and mix well
4. Add salt and stir well
5. Pour the mashed potatoes into the piping bag and squeeze them out one by one
6. Cut the cheese into squares and put them on top of each mashed potato separately
7. Put it in the oven, set the fast heating mode, the temperature is 220 ℃, 15 minutes
Tips:Like sweet ones, add sugar to mashed potatoes, like salty ones, add salt
