Swallow Sailing Grass Jelly (gelatin pudding) is also known as Chao Guay. The dark jelly cubes are made ??from the leaf of the plant mesona chinensis (family of the mint) that grows in China and Taiwan. The cubes are refined with tapioca starch and agar agar (vegetable gelatin). Delicious Swallow Sailing Grass Jelly is best served chilled as a dessert or in drinks. The flavor is at its best with syrup or honey and deliciously fresh on hot summer days.