
1) Cheese full of holes 2) Cheese with tiny holes 3) City on the Memel 4) Havarti kin 5) Light yellow cheese 6) Mild cheese 7) Pungent sandwich slice 8) Relative of Limburger 9) Semihard cheese 10) Semihard Swiss cheese 11) Semihard, light yellow cheese 12) Semihard, mild cheese 13) Sovetsk, to a berliner
Found on
https://www.crosswordclues.com/clue/tilsit

Tilsit is a German, traditional co-operative and creamery semi-hard cheese made from cow's milk.
Found on
http://www.probertencyclopaedia.com/browse/QT.HTM
No exact match found.