Yes. The internal fat needs to be melted with a small amount of warm water at 40 degrees Celsius. The soy milk must be poured into the internal fat at about 80 degrees to condense into tofu, so the internal fat can be dissolved with hot water. Tofu nao, also known as water tofu, is a famous traditional snack. It is a highly nutritious food made from soy protein and is mostly sold in the morning.