Zhang's bean jelly hospital is an old-fashioned shop that has persisted for many years and has a good business. The main products are bean jelly and sweet water surface. Flavors include yellow bean jelly, white bean jelly and pea bean jelly. Enough sauce, fast serving, cheap and cost-effective! Where can I eat authentic hot and sour fern root powder near Huxing Village, Minhang District, Shanghai? Hot and sour fern root powder restaurant near Huxing Village, Minhang District, Shanghai. Hot and sour powder is a traditional snack in Sichuan. The powder made by bracken is very tough, and Quecai is rich in minerals and amino acids, which is well absorbed. It tastes smooth and refreshing, and it tastes sour and spicy. Spicy taste may be heavier, and sour taste is more suitable.