| If the water temperature of water gushing from a hot spring is close to this range, the onsen eggs can be made just by placing eggs in the spring water, so they are often served at hotels in hot spring (onsen) resorts and this is thought to be the origin of the term onsen egg. |
湧出する温泉の湯温がこの範囲に近い場合、これに浸けておくだけで出来ることから、温泉地の旅館などで食卓に提供されることが多く、「温泉卵」の名で呼ばれるようになったと思われる。 |