Quick bread leavening agents include a weak base, such as baking soda (sodium bicarbonate) plus a weak acid, such as cream of tartar, lemon juice, or cultured buttermilk, to create an acid–base reaction that releases carbon dioxide. (Quick bread leavened specifically with baking soda is often called "soda bread".) Baking powder contains both an acid and a base in dry powdered form, and simply needs a liquid medium in which to react. Other alternative leavening agents are egg whites mechanically beaten to form stiff peaks, as in the case of many waffle recipes, or steam, in the case of cream puffs. Nevertheless,
Sugar Loaf Farm the upper Shenandoah Valley in the early 1800s. The Farm's three original buildings, the farmhouse, grist mill and miller's house, were all constructed by David Summer at a time when Augusta County had emerged as the center of one of the most dominant wheat-growing and flour-processing regions in the South. Sugar Loaf Farm serves as a valuable reminder of the wheat-based agriculture that persisted in this region well into the twentieth century. Today, Sugar Loaf Farm is a privately run farm that specializes in raising Black Angus cattle. Sugar Loaf Farm is named after the distinctive cone-shaped hill on the