This food holiday celebrates the tiny morsels of chocolate, better known as chocolate chips, that are used to flavor everything from pancakes, muffins and cereals to yogurt, ice cram and cookies. They reputedly became a pantry fixture in the United States after 1937 when Ruth Graves Wakefield of the Toll House Inn in Whitman, Massachusetts added cut-up chunks of a semi-sweet chocolate bar to a cookie recipe. By 1941, “chocolate chip cookies” were a standard baked good in homes and bakeries throughout the country..