During the Muromachi period, it was mainly boiled, washed, and then steamed to eat, which was also referred to as "mushimugi" (literally meaning steamed noodles) and "atsumushi" (literally meaning hot-steamed).
室町時代は、茄でて洗ってから蒸して温める食べ方が主流で、蒸麦や熱蒸とも呼ばれた。