They are rich in nutrients, low calorie, low fat, large amounts of food fibres, and sweet, so they are popular, and they are diverse, bakeable, potable and delicious, but in the winter, my family likes to make them sugar, sweet and hot, drink a bowl, warm and comfortable, especially in the cold of winter mornings, a bowl under the stomach, not to be cold, and especially simple, which can be eaten in less than 30 minutes。