1. Prepare walnuts to sandwich walnuts
2. Sprinkle an appropriate amount of salt and soak in hot water for three minutes and then peel off the skin
3. Peel off the walnuts and put them in the oven to dry, and dry them to become crispy.
4. The last step is to make a pot on a low fire, put in a suitable amount of water, put in sugar, and slowly boil it until it evaporates. Add the walnuts and stir quickly. Turn off the fire and let out of the pot to dry.
