To steam and mash potatoes; cut cabbages to be stripes; slice mushrooms; dice carrots and boil them; mix up flour powder and fresh milk to be flour paste.

• 马铃薯蒸熟捣泥；高丽菜切条状；蘑菇切片；红萝卜切丁，烫熟；面粉与鲜奶拌匀成面糊，备用。