Combine butter and sugars and mix.
Add in vanilla and egg and mix well.
Add dry ingredients and mix.
Fold in Oreos & chocolates.
Using a ¼ measuring cup scoop dough onto a parchment lined pan.
Using the palm of your hand push dough down until it’s flattened about ½ inch thickness.
Top with more chocolates and crushed Oreos.
Top with one marshmallow in the center.
Bake at 350 for 10-12 minutes!
