Triple Decker Brownies

My friend, Katie, made these amazing treats for our mountain weekend.  They were pure sinful deliciousness!!  I will be making these any chance I get!

1 package break and bake choc. Chip cookies

1 brownie mix

24 oreos

Spray muffin tins. (This will make 24.) Press cookie into each pan and put an oreo on top. Then pour brownie batter into each muffin cup. Bake at 350 for about 20 minutes or until done.