Spice rub the salt for flavor and the sugar for caramelization. The simplest rub is just coarsely ground black pepper as in steak au poivre. Spice rubs can also have ingredients such as herbs, crushed garlic or oil added to make a paste. Less common ingredients can include coffee beans. Spice rubs are mainly used for preparing meats and fish. There are many different recipes for rubs and most of them are targeted towards a specific kind of food. The exact combination of spices that makes a good rub for a particular kind of food varies from region to region and culture
Béarnaise sauce the department of Pyrénées-Atlantiques, in southwestern France. Like Hollandaise sauce, there are several methods for the preparation of Béarnaise sauce. The most common preparation is a "bain-marie" method where a reduction of vinegar is used to acidulate the yolks. Escoffier calls for a reduction of wine, vinegar, shallots, fresh chervil, fresh tarragon and crushed peppercorns (later strained out), with fresh tarragon and chervil to finish instead of lemon juice. Others are similar. Alternatively, the flavorings may be added to a finished Hollandaise ("sans" lemon juice). "Joy of Cooking" describes a blender preparation with the same ingredients. A "faux" Béarnaise can