1. White cheese and potato balls are a delicacy. The main production materials include flour, potatoes, eggs, etc.

2. Ingredients: 110 grams of flour, 230 grams of potatoes (cooked), 15 ml of eggs (beaten well), 1 teaspoon of minced garlic, 1 tablespoon of cheese powder, and half a teaspoon of salt. White sauce: 2 slices of cheese, 1 tablespoon each of butter/flour, 100 grams of water, half a teaspoon each of chicken powder/salt, 70 ml of milk, a little black pepper, and appropriate amount of chopped coriander.

3. Method: Peel the potatoes while they are hot, mash them, add flour, cheese powder, eggs, salt and minced garlic and knead them into a dough. Roll the dough into long pieces, cut into balls, and emboss with a fork. Boil water and add salt, put the meatballs into the water one by one through a sieve, cook over high heat until the meatballs float to the surface, then remove and set aside. Prepare a small pot, heat the butter over low heat, add the flour and stir-fry until fragrant. Add water gradually, then add milk and cheese slices until dissolved. Add salt, chicken powder, black pepper and potato balls, mix well, and finally sprinkle with a little chopped coriander.