Northern Irish cuisine with whole wheat flour which also uses baking soda as a rising agent. It is usually sweetened in contrast to the savoury white soda bread. A soft tray bake cake which gets its name from using Fifteen of each main ingredient (marshmallows, digestive biscuits, cherries). Boxty is mainly found in County Fermanagh, Boxty is a weighty, starchy potato cake made with 50:50 mix of cooked mashed potatoes and grated, strained, raw potato. The most common variety is boiled boxty, also known as hurley, a large round loaf which is boiled whole for several hours, allowed to rest and then sliced
Sodium bicarbonate of solution: Commercial quantities of baking soda are also produced by a similar method: soda ash, mined in the form of the ore trona, is dissolved in water and treated with carbon dioxide. Sodium bicarbonate precipitates as a solid from this method: Naturally occurring deposits of nahcolite (NaHCO) are found in the Eocene-age (55.8–33.9 Mya) Green River Formation, Piceance Basin in Colorado. Nahcolite was deposited as beds during periods of high evaporation in the basin. It is commercially mined using common underground mining techniques such as bore, drum, and longwall mining in a fashion very similar to coal mining. Limited