1. Wash potatoes, cut into pieces, steam them in a pot, peel the steamed potatoes, and mash them into mashed potatoes until they are thick and tough;

2. Stir the sweet potato powder into powder with a blender;

3. Dice the soaked mushrooms, put them in a pot, stir-fry chopped green onion, add a little sugar and stir-fry with soy sauce for later use;

4. Add potato powder, minced meat, shiitake mushrooms and curry into mashed potatoes, knead well, knead well, shape and put on steamed cloth;

5. After the water is boiled, put the pressed shape into the pot and steam for fifteen minutes, then turn off the fire and stew for five minutes before opening the lid;

6. After cooling, put it in the freezer of the refrigerator, take it out in advance and thaw it. Fry it until both sides are golden and the surface is crisp and ready to eat.