The yellow mustard is used. Compared with the green mustard, the yellow mustard has a softer taste and is less spicy.

Pour cold skin gluten into cold water to remove greasiness, then press 2 cloves of garlic into minced garlic, add half a bowl of cold boiled water, and set aside. Then add half a bowl of water to the peppercorns, star anise, and bay leaves in the seasoning and bring to a boil, then turn off the heat and let cool. Shred the cucumber, chop half a tomato, and cut off the cilantro. Put all the ingredients and cold skin gluten into a larger bowl, and add the garlic juice soaked in step 2. Add 1 tablespoon of sugar, 1 tablespoon of salt, 1 tablespoon of chicken essence, and 1 tablespoon of yellow mustard to the sauce. A few drops of finely ground sesame oil. Put a tablespoon of white sesame seeds into a plastic bag, crush them with a rolling pin, and pour them into the cold skin. 2 tablespoons light soy sauce, 0.5 tablespoons dark soy sauce, 3.5 tablespoons balsamic vinegar. Mix with chopsticks and serve on a plate.