椰奶, (for white layer) shake well (150 ml)·水, (for white layer) (120 ml)·白糖, (for white layer) (2.4 tablespoon)·粟粉, (for white layer) dissolve first (9.6 teaspoon)
水, (for red layer) reserved bean water (400 ml)·椰奶, (for red layer) shake well (200 ml)·粟粉, (for red layer) dissolve first (23 teaspoon)·白糖, (for red layer) (9.6 tablespoon)·盐 (0 as needed)·红色食用色素, optional (1 drops)