The term 'Cookie Favorite' can refer to three popular cookie varieties: Oreo (4 letters), Chocolate Chip (13 letters), and Oatmeal Raisin (13 letters). Oreos are a classic sandwich cookie made of two chocolate wafers filled with a sweet creme filling. Chocolate Chip cookies are a classic American favorite, made with butter, sugar, eggs, flour, and chocolate chips. Oatmeal Raisin cookies are a chewy cookie made with oats, raisins, and spices. All three of these cookies are beloved by many and are sure to satisfy any sweet tooth.