It?s the stuff breakfast dreams are made of! Chocolatey, crunchy O?s with that OREO? cookie taste you love and a rich creme coating combine to give you a bowlful of cookie milk that tastes so good you?ll finish it off with a smile. Dig into the cereal you?ve been missing! Post Oreo O's cereal is great for snacking anytime and is a great ingredient in recipes.