Cookies are small, round, flat, sweet desserts and are also known as biscuits in some parts of the world. They are easy to prepare and even kids enjoy baking them. Baking powder, all-purpose flour, sugar, butter, and salt are the basic ingredients required to make a cookie. Cookies are basically classified by the way the dough is baked. Before knowing about the common types of cookies, let us take a look at its history.