Also, eggs which have been steamed in the steam of hot springs (onsen) or boiled in the hot water are called onsen tamago regardless of whether they are hard or soft.
また、鶏卵を温泉の蒸気で蒸したり、湯でゆでたりしたゆで卵は、その状態にかかわらず温泉卵と呼ばれる。