Bicarbonate of Soda, also know as Baking Soda, is a fine white powder, which is primarily used in baking. It is used to raise soda breads and full-flavoured cakes such as gingerbread, fruit cake, chocolate cake and carrot cake. Bicarbonate of soda also helps to neutralise the acid in tomato sauces leaving your favourite sauce not only tasty, but easy on the stomach.