From A Cat in the Kitchen blog…
The Oreo Cookie was introduced in 1912 in the U.S and it quickly became the country’s best selling cookie. Myself I didn’t grow up with Oreo Cookies, I lived happily with other Swedish cookies instead. I never had to argue with my friends how to eat an Oreo Cookie: plain, by twisting off the top and eating the filling first or by dunking them whole in milk.
See more (and the recipe) over here.