pâté maison
/ˌpateɪ meɪˈzɒn/(also pâté de maison, pate maison)
noun
A pâté cooked according to the recipe of a particular restaurant, charcutier, etc.
Origin
1940s; earliest use found in Mary McCarthy (1912–1989), writer and critic. From French pâté maison, also pâté de maison (not dated in dictionaries of French) from pâté + maison.