Bánh da lợn or bánh da heo (literally "pig skin cake") is a Vietnamese steamed layer cake made from tapioca starch, rice flour, mashed mung beans, taro, or durian, coconut milk and/or water, and sugar. It is sweet and gelatinously soft in texture, with thin (approximately 1 cm) colored layers alternating with layers of mung bean, durian, or taro filling. Typical versions of bánh da lợn may feature the following ingredients: In modern cooking, artificial food coloring is sometimes used in place of the vegetable coloring.