1.Prepare a 8" square pan by spraying the sides and bottom with nonstick spray. Line with parchment paper. Set aside. Preheat oven to 375 degrees F.
2.In a medium mixing bowl, whisk together flour, brown sugar, baking soda, baking powder, cinnamon, cloves and salt. Add melted butter and mix until crumbly dough forms. Reserve 3/4 cup of the mixture for the topping.
3.Press the remaining dough into prepared pan. Set aside.
4.Place pumpkin pie filling, egg, and vanilla in a large mixing bowl of a stand mixer and mix until well combined. Pour over crust. Sprinkle with the topping mixture.
5.Bake for 28 to 32 minutes or until the topping is golden brown. Cool completely in pan. Cut into squares.