sliced bread
US /ˌslaɪst ˈbred/
UK /ˌslaɪst ˈbred/

1.
pan de molde, pan rebanado
bread that has been cut into slices, typically by a machine, before being packaged
:
•
She bought a loaf of sliced bread for sandwiches.
Ella compró una barra de pan de molde para sándwiches.
•
Toast is often made from sliced bread.
Las tostadas a menudo se hacen con pan de molde.
2.
lo mejor, una gran invención
used to refer to something that is considered to be an excellent invention or idea
:
•
This new app is the best thing since sliced bread.
Esta nueva aplicación es lo mejor desde el pan de molde.
•
He thinks his idea is the best thing since sliced bread.
Él cree que su idea es lo mejor desde el pan de molde.