soft-boiled

US /ˌsɑːftˈbɔɪld/
UK /ˌsɑːftˈbɔɪld/
"soft-boiled" picture
1.

cooked in its shell for a short time, so that the white is set but the yolk remains liquid

:
I like my eggs soft-boiled for breakfast.
The chef prepared a perfect soft-boiled egg with toast soldiers.