Zwieback
zwieback
(ˈzwaɪˌbæk
, ˈzwiː-, German ˈtsviːbak) noun
a small type of rusk, which has been baked first as a loaf, then sliced and toasted, usually bought ready-made
[German: twice-baked]
, ˈzwiː-, German ˈtsviːbak)
, ˈzwiː-, German ˈtsviːbak)