preheat oven to 350°F

line baking dish with wax paper

follow instructions on cookie mix but add slightly more water and oil to keep moist-about one tsp of each.

cover bottom of baking dish with the cookie dough.

cover the cookie dough by lining Oreos until covered

mix brownie batter and pour over Oreos.

bake for 30 minutes.

let cool, while still slightly warm, use the wax paper to lift out of pan and cut into chunks.