A bun's a small, usually sweet bread. Commonly they're hand-sized or smaller, domed in shape with a flat bottom. It can also mean a savory bread roll similar to a bap or barmcake. Basic buns are usually made using flour, sugar, eggs, yeast and butter. "Bun" can also refer to a kind of filled dumpling, such as Chinese baozi. In West Yorkshire and certain parts of Northern England, cupcakes are referred to as buns. A bun can be long and skinny, short and round and or come in many different shape… (More on Bun)