Materials to be prepared in advance include: 1 sweet potato, 2-3 potatoes, 2 carrots, 2 tablespoons butter, 5 tablespoons hot milk, 1/2 teaspoons salt, 1/2 teaspoons black pepper.
1, peeled and washed the sweet potato.
2, cut into small pieces, add water to cook and turn off the fire.
3. Filter out the water and add butter.
4. Add salt and black pepper and pour in hot milk.
5. Press it into mud with a shovel.
6, after flattening, stir evenly, do not need to press very fine, and some chew.
7. Serve on a plate.