Oreo has everything you want in a cookie and more! The classic ‘Lick, Twist and Dunk’ biscuit brand of Oreo introduced in 1912 is the best-selling cookie brand in the world. Everyone wants a bite of the biscuit, and Oreo has so much more to offer than just a cookie today. You can find countless Oreo varieties and big brand collaborations, from KitKat and Cadbury to Mrs Freshley and Milka Oreo flavoured treats, to name just a few.