Foolproof Béarnaise Sauce Recipe

Name: Foolproof Béarnaise Sauce Recipe
Cook time: 30 min
Total time: 30 min
Yield: 14
Ingredients: 1/2 cup dry white wine1/4 cup white wine vinegar; 3 sprigs tarragon, leaves finely minced, stems reserved separately; 3 sprigs chervil, leaves finely minced, stems reserved separately (optional; if not using add an extra sprig of tarragon); 1 small shallot, roughly chopped; 1/2 teaspoon whole black peppercorns; 2 egg yolks; Kosher salt; 1 1/2 sticks (12 tablespoons) unsalted butter