Swiss cheese

US /ˌswɪs ˈtʃiːz/
UK /ˌswɪs ˈtʃiːz/
"Swiss cheese" picture
1.

ser szwajcarski

a type of cheese that has many holes in it, typically yellow and mild in flavor, originating from Switzerland

:
I made a sandwich with ham and Swiss cheese.
Zrobiłem kanapkę z szynką i serem szwajcarskim.
The cartoon character always had holes like Swiss cheese.
Postać z kreskówki zawsze miała dziury jak ser szwajcarski.