Add water to the pot first, add vinegar after the water boils, and then prepare seasonings, including pepper powder, ginger powder and fennel powder. (Thirteen kinds of spices can be used) Add seasonings and stir. As for the paste, it is thickening, that is, adding water and starch, and constantly stirring after adding it. As soon as the vinegar is boiled, you are finished! Of course, you can also add a little coriander at the end! Full of color, smell and taste!