Hydrox was certified kosher ... They’re two delicious chocolate cookies sandwiched around a creme filling. Oreos also come in Double Stuff, vanilla, birthday cake and pumpkin spice (really).

Before there was the Oreo, there was Hydrox, the original chocolate sandwich cookie. Despite Hydrox being first to market with an eminently dunkable, mysteriously twistable cookie, the Nabisco ...

The OREO cookie came to be in 1912 as Nabisco's answer to Sunshine's Hydrox cookie ... was more of a cream soda with a crisp ...