Christmas-layered brownies!🎄🍪

1. Spray a dish, and press cookie dough into the bottom.
2. Add a layered of red-centered Oreos
3. Top with a layer of prepared brownie batter.
4. Bake for 35-45 minutes at 350 degrees or until cooked through.
5. Gently press in some red/green m&ms while still warm.
6. Let cool before cutting and serving