Chocolate chips are small chunks of chocolate. They are often sold in a round, flat-bottomed teardrop shape. They are available in numerous sizes, from large to miniature, but are usually around 1 cm in diameter. Many sizes are available depending on preference.Chocolate chips are a required ingredient in chocolate chip cookies, which were invented in 1933 when Ruth Graves Wakefield of the Toll House Inn in the town of Whitman, Massachusetts added cut-up chunks of a semi-sweet Nestlé chocolate bar to a cookie recipe. The cookies were a huge success, and Wakefield reached an agreement with Nestlé to add her recipe to the chocolate bar’s packaging in exchange for a lifetime supply of chocolate. Initially, Nestlé included a small chopping tool with the chocolate bars,…