Brownie batter is spiked with pumpkin spice extract before being dolloped with cheesecake filling and sprinkled with crumbled Oreos.  These Pumpkin Spice Oreo Cheesecake Brownies are a decadent chocolate treat with the warmth of autumn spices.  So easy and so delicious! Friends, do you know the goodness that is Halloween Oreos?  When I spy the first package