amuse-bouche
US /əˌmuːzˈbuːʃ/
UK /əˌmuːzˈbuːʃ/

1.
a small savory item of food served before a meal, typically free of charge, at a restaurant
:
•
The chef sent out a complimentary amuse-bouche before our appetizers.
•
Each course was preceded by a delightful amuse-bouche.