Chocolate bar components: cocoa solids, cocoa butter, sugar, and milk. The relative presence or absence of these define the subclasses of chocolate bar made of dark chocolate, milk chocolate, and white chocolate. In addition to these main ingredients a chocolate bar may contain flavorings such as vanilla and emulsifiers such as soy lecithin to alter its consistency. While vanilla is the most common flavouring, many other flavours are available, including mint, orange, and coffee. Chocolate bars containing other ingredients feature a wide variety of layerings or mixtures that include nuts, fruit, caramel, nougat, and fondant. A popular example is a Snickers bar,
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