spécialité de la maison
/ˌspɛsɪalɪˌteɪ də la ˈmɛzɒ̃/ /ˌspɛsɪalɪˌteɪ də la ˈmeɪzɒn/(also specialité de la maison)
noun
A speciality of an establishment, specifically a dish which a restaurant considers its speciality or one for which it is particularly noted; also in extended use.
Origin
Late 19th century; earliest use found in Punch. From French spécialité de la maison from spécialité + de + la the + maison.