Summer
Sweet Potato & Ginger Soup (姜汁番薯糖水): A Warm, Simple Tong Sui
After a run of chilled summer soups, here's one to reach for when you want something warm — soft chunks of sweet potato in a light, fragrant ginger syrup. Sweet potato and ginger soup (姜汁番薯糖水) is one of the simplest sweet soups in the whole repertoire: three main ingredients,