Chocolate chip temperature must never exceed for milk chocolate and white chocolate, or for dark chocolate, or the chocolate will burn. Although convenient, melted chocolate chips are not always recommended as a substitute for baking chocolate. Because most chocolate chips are designed to retain their shape when baking, they contain less cocoa butter than baking chocolate, and so can be more difficult to work with melted. Chocolate chips are popular as a baking ingredient in the United States. Originating in the US, the chocolate chip cookie is widely available many parts of the world. Nestlé and the Hershey Company are among the
Chocolate chip cookie their competition. To honor the cookie's creation in the state, on July 9, 1997, Massachusetts designated the chocolate chip cookie as the Official State Cookie, after it was proposed by a third-grade class from Somerset, Massachusetts. Chocolate chip cookies are commonly made with white sugar; brown sugar; flour; a small portion of salt; eggs; a leavening agent such as baking powder; a fat, typically butter or shortening; vanilla extract; and semi-sweet chocolate pieces. Some recipes also include milk or nuts (such as chopped walnuts) in the dough. Depending on the ratio of ingredients and mixing and cooking times, some recipes