A boiled egg cooked so that the white is set but the yolk remains soft or semi-liquid; a soft‑boiled egg often used as a topping.
朝食に半熟卵をのせたトーストを食べた。
I ate toast topped with a soft‑boiled egg for breakfast.
ラーメンの上に半熟卵を半分に切ってのせる。
Place a halved soft‑boiled egg on top of the ramen.
半熟卵は冷水にとってから殻をむくと割れにくい。
Soft‑boiled eggs are less likely to crack if you cool them in cold water before peeling.