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
Crab in oyster sauce Indonesian cuisine. The most popular crab species used in this recipe is mud crab, though blue crab may also be used. The crabs are cut into pieces and stir-fried shortly in wok on strong fire in cooking oil and water, garlic, ginger, onion and scallion, mixed with oyster sauce, soy sauce, "ang ciu" (Chinese cooking wine) and sugar. Then the sauce is being thickening with corn starch and water mixture. The mild umami (savoury) seafood flavour of oyster sauce tends to enhance the natural flavour of the crab. Crab in oyster sauce Crab in oyster sauce or oyster sauce crab