bȯnˈbüsh, bənˈ- noun
( plural bonnes bouches or bonne bouches like sing. )
Etymology: French, literally, good mouth
1. : something supremely delicious or appetizing : a choice morsel : delicacy
there was no profusion of unmeaning dishes; each was a bonne bouche — Charles Reade
2. : a final, unexpected, or supreme delight : treat
reprints as a bonne bouche … a delightful and characteristic essay — Saturday Review