Vegetable oil olive, coconut etc.), and it is preferred by most "health-food" customers in the United States and in Europe. There are several different types of mechanical extraction. Expeller-pressing extraction is common, though the screw press, ram press, and ghani (powered mortar and pestle) are also used. Oilseed presses are commonly used in developing countries, among people for whom other extraction methods would be prohibitively expensive; the ghani is primarily used in India. The amount of oil extracted using these methods varies widely, as shown in the following table for extracting mowrah butter in India: The processing of vegetable oil in commercial
Sponge cake places where European patisserie has spread, including the Anglo-Jewish "plava", Italian génoise, the Portuguese pão-de-ló, and the possibly ancestral Italian "pan di Spagna" ("Spanish bread"). Derivatives of the basic sponge cake idea include the American chiffon cake and the Latin American tres leches cake. The essential ingredients are eggs, fat (often butter), sugar, and flour. An authentic British sponge cake is made by first mixing the fat with the sugar and then beating the eggs with the sugar-fat mix until the mixture is light and creamy, then carefully sieving and folding in the flour. Depending on the recipe, the flour