Related: Oreo Adds a New Flavor That Will Take You Back to Your Childhood With a new Oreo product hitting the cereal aisle, Oreo Puffs will be replacing the brand's signature cereal Oreo O's ...

"A mouthwatering combination made with real Oreo cookie wafers and marshmallows, Oreo Puffs is a permanent addition to store shelves that will replace Oreo O's in the cereal aisle." Oreo O's were ...

One of the most iconic crossovers in the grocery store aisle is no more. Cereal company Post Consumer Brands said in December that Oreo O’s rings will be replaced with puffs after nearly 30 years.