Pl. bonnes bouches. [F. bonne good, bouche mouth.] In French A pleasing taste in the mouth (Littré): but in English taken for dainty mouthful or morsel (in French morceau qui fait ou donne bonne bouche).
1762. Symmer, in Ellis, Orig. Lett., II. 495, IV. 455. I must give you a piece of good news by way of a bonne bouche.
1822. Kitchiner, Cooks Oracle, 343. Its high rank on the list of savoury Bonnes Bouches.
1870. Eng. Mech., 21 Jan., 449/1. Some early bird, to which a caterpillar is a bonne bouche.