a bun is a small, sometimes sweet, bread-based item or roll. .. Some of these types of dumplings may be bread-like in texture. A bun is normally made from dough that has been enriched with sugar and butter and sometimes egg. Without any of these, the dough remains to be 'bread dough' rather than 'bun dough' ingredients – wheat flour, water, sugar, wheat gluten, yeast, curd, edible vegetable oil (palm & cotton seed oil), edible common salt, permitted class ii preservative (e282), permitted emulsifiers (481), dough improver (e1100), antioxidant