Preheat oven to 350°F.

In a large bowl, cream butter, brown sugar, and sugar together and beat in eggs and vanilla.

Add in flour, salt and baking soda.

Press a half-inch layer of dough into each muffin tin cup.

Add an Oreo and then another half-inch of dough on top to fully enclose.

Bake for 15-18 min or until golden brown.

Cool for 5 min in the pan before transferring to a cooling rack.