Spray a 9x13 baking dish with non-stick cooking spray and preheat oven according to brownie mix instructions.

Prepare brownie mix and cookie dough mix according to package instructions.

Pour mixed brownie batter into baking dish then top with chunks of cookie dough.

Bake for 30 minutes at 350° or until center of brownies are firm. Note: if your brownies aren't quite done after this amount of time, cover with foil to keep cookie dough brom over browning and bake 5-10 minutes more.