2. The cooking time of taro is related to the size of taro. Generally, it takes 20 minutes to steam large taro, 15 minutes to steam small taro, and it takes even shorter time to steam taro in pressure cooker, about 10 minute.
3. Taro contains indigestible starch and calcium oxalate crystals. However, calcium oxalate is bitter and will make the skin allergic, but it will disappear after cooking. When cooked, the pulp will turn gray or lavender, and the cooking method of taro is similar to that of potato. Taro tastes soft, sweet and fragrant, but it doesn't taste good if steamed for too long. Generally, it takes 20 minutes to steam large taro, but it takes 15 minutes to cook small taro.