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
Tongseng marketed themselves as "Warung Sate Solo", a "warung" or small modest restaurant that specialized in offering satay, "tongseng" and "gulai" as their main fare. Tongseng Tongseng is goat meat, mutton or beef stew dish in curry-like soup with vegetables and "kecap manis" (sweet soy sauce). "Tongseng" is commonly found in Indonesian region of Central Java; from Surakarta to Yogyakarta. However, it is believed that dish was originated from Klego district in Boyolali, Central Java. The term "tongseng" derived from Javanese term "osengan" which refer to "stir frying" to describes its cooking method. It also refer to the ""seng"" friction sounds