The freeze-drying method is a technology that flash freezes, and only the moisture of the material is removed, and the nutritional value is almost the same as that of raw. It has a natural aroma, concentrated sweetness and sourness, and an irresistible crispy texture. It does not contain any sugar or additives. Guilt-free food that is also recommended for dieting. It is also recommended as an emergency food, and when mixed with water, it can be easily made into nutritious baby food. As a snack or as a topping for tea, ice cream, or granola.