Maître d’Hôtel Butter is butter that has been blended with chopped parsley, lemon juice, salt, and pepper.
In classical French cooking, it is used to accompany boiled vegetables, grilled meat, and fish that has either been grilled or cooked in breadcrumbs.
Maître d’Hôtel Butter can be melted, and poured over or under the ingredients it’s meant to garnish, or be served as a solid pat on the side.