By cow hoof, I'm assuming you mean gelatin, which can be made of cow hoof or any number of animal products. There is no gelatin in oreo cookies.
Depends on what breed of "oreo" cow you're referring to: Dutch Belted or Belted Galloway?
Oreo filling is primarily made of vegetable shortening and powdered sugar.
a cow it fits the description cattle= cow or horses oreo coloration=black and white PS not all cows are this color
the oreo was made in 1912
http://www.grantsfarm.com/animals/galloway.htm
oreo's were invented in 1912
The Oreo was introduced in 1912
Cow eyes are very high in Vitamin C.
The Oreo cookie was developed and produced by Nabisco in 1912 at its Chelsea factory in New York City.
The first Oreo cookie was created in 1912 by Nabisco.
Cow eye. I believe. My scientific studies predicted this response.