Sous-Vide Rare Beef Steak with Béarnaise Sauce

Name: Sous-Vide Rare Beef Steak with Béarnaise Sauce
Prep time: 60 min
Total time: 120 min
Yield: 4 porties
Cuisine: Belgian
Ingredients: beef fillet steak; sea salt; black pepper, ground; thyme, fresh; lemon juice; water; shallots; tarragon, fresh; white wine, dry; white wine vinegar