An Oreo is a frosting sandwich, not a cookie
If you took an Oreo and took, you know, the top part off, that single black chip is a cookie... What do you think Oreos are cookies? It's a frosting sandwich.
Washing Oreos with water is a delicious way to eat them
Would you wash an Oreo with water? Yes. Always... No, try it. Next time you get some Oreos. Hank does. It's actually delicious.