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
Butter cake Butter cake A butter cake is a cake in which one of the main ingredients is butter. Butter cake is baked with basic ingredients: butter, sugar, eggs, flour, and leavening agents such as baking powder or baking soda. It is considered as one of the quintessential cakes in American baking. Butter cake originated from the English pound cake, which traditionally used equal amounts of butter, flour, sugar, and eggs to bake a heavy, rich cake. The invention of baking powder and other chemical leavening agents during the 19th century substantially increased the flexibility of this traditional pound cake by introducing