Product Details of OREO Original Cookie Biscuits 124g OREO Original Cookie Biscuits are popular sandwich cookie made of two chocolate wafers with a sweet creme filling in between. The cookies can be enjoyed on their own, or used in various recipes such as milkshakes, cakes, and pies. Oreos are also available in a variety of flavors and sizes, including Mini, Double Stuf, and Mega Stuf.