I can help you, such as Changchun Korean cold noodles. The main ingredients of cold noodles are white flour, buckwheat flour and starch. When making cold noodles, press the mixed noodles into the pot with a special machine, take them out after cooking, and cool them with cold water. Add beef soup or chicken soup, and serve with pickles, peppers, beef slices, chicken balls, apple slices, eggs and other seasonings.