Authentic recipe since 1987. A French enriched sauce made with butter, mustard, anchovies, condiments, herbs, salt & spices.
No: egg, nut, sugar.
Preparation: Bring the sauce to room temperature. Warm the serving plate in the oven or microwave. Spread the sauce on the plate & place the steak on top. Do not heat the sauce in a bain-marie, pan or microwave.