Soda bread pastry flour (made from soft wheat), which has lower levels of gluten than a bread flour. In some recipes, the buttermilk is replaced by live yogurt or even stout. Because the leavening action starts immediately (compared to the time taken for yeast bread to rise), bakers recommend the minimum amount of mixing of the ingredients before baking; the dough should not be kneaded. Various forms of soda bread are popular throughout Ireland. Soda breads are made using wholemeal, white flour, or both. In Ulster, the wholemeal variety is usually known as "wheaten bread" and is normally sweetened, while the term
J. H. Hobbs, Brockunier and Company experiments were not successful. In the fall of the same year, William Leighton Sr. joined the firm as a partner, and continued the experiments with lime glass. Leighton came from a glass making family, and had worked at New England Glass Company. In 1864, Leighton had success. His major change in the formula for glass was using bicarbonate of soda instead of soda ash. His formula was similar to the long-lost soda-lime formula used many years earlier in Europe. The glass made using this formula had good enough quality that the company could compete in the high-end of the glassware