The main ingredients in a Twix chocolate bar are milk chocolate (sugar, cocoa butter, cocoa mass, skimmed milk powder, milk fat, lactose, soy lecithin), caramel (sugar, glucose syrup, palm fat, skimmed milk powder, whey permeate), and a wheat flour biscuit (wheat flour, sugar, palm fat, skimmed milk powder, cocoa, fat reduced cocoa, salt, raising agent E500). Other components include raising agent (E500), emulsifiers like soy lecithin, and flavourings.