Preheat oven to 350.
Line a 9x13" baking dish with parchment paper(leaving excess paper overhanging).
In a medium bowl, whisk together flour and pumpkin spice.
In another large bowl, beat butter until whipped.
Beat in brown sugar until smooth.
Beat in egg and vanilla.
Gradually add and beat in flour mixture.
Beat in pumpkin puree until combined.
Spread batter in bottom of prepared pan, holding back about 1 cup of the batter.
Top with the cream cheese topping and spread leaving about 1/2" border around edges.
Gently spoon remaining batter on top and use a butter knife to swirl through the layers.
Bake about 40-50 minuted or until a toothpick inserted in the center comes out pretty clean.
Let cool, then lift out parchment and cut into bars.