bonne bouche
Concise Oxford English Dictionary © 2008 Oxford University Press:
bonne bouche /bɒn ˈbuːʃ/
▶noun (pl. bonne bouches or bonnes bouches pronunc. same) an appetizing item of food eaten at the end of a meal.
– origin Fr., from bonne, fem. of bon ‘good’, and bouche ‘mouth’.
'bonne bouche' also found in these Oxford entries:

