1. Wash the potatoes, steam them in a steamer and mash them
2. Put the mixed vegetables in a hot pan and stir fry a little with butter
3. Mix the mashed potatoes with milk, salt, black pepper, onion and mixed vegetables
4. Put it in a bowl, spread mozzarella cheese strips, and sprinkle a few assorted vegetables to decorate
5. Put it into the middle of the oven and heat up and down at 170 degrees for about 10 minutes, then turn on the heat for 190 degrees for 5 minutes, and the cheese surface will be slightly discolored.
