Pumpkin Shortbread Creamcheese bars

These pumpkin bars are excellent. I'd have a picture but we already ate them.  

Ingredients:
Base and Topping:
3 1/2 cups flour
1 1/3 cups sugar - I substitute the 1/3 cup with brown sugar
1 1/2 teaspoons baking powder
1/2 teaspoon salt
2 sticks butter, melted
2 large eggs

Filling:
8 ounces softened cream cheese
1/2 cup sugar (I use brown sugar)
1 large egg
1 can 15 ounce pumpkin puree (I use 2 cups of cooked pumpkin)
1 teaspoon vanilla
1 1/2 teaspoons ground cinnamon
1/2 teaspoon nutmeg
1/2 teaspoon salt

Method:
1.Preheat oven to 350 F

2.Make the dough:
In a large mixing bowl, whisk together the flour, sugar, baking powder and salt.
Add melted butter and eggs. Beat for about a minute until crumbly dough forms.

3. Bake the base:
Reserve 1 1/2 cups of the dough for the top. Put the rest into a 9x13 baking pan. We line the pan with 
parchment paper for easy cleanup. Or you can grease the pan. Press the dough into the pan. 
Bake the base for 20 minutes.

4.Make the filling:
In a clean mixing bowl, add cream cheese, sugar and egg. Beat about 2 minutes until smooth. 
Add pumpkin, vanilla, nutmeg, salt and 1 teaspoon of cinnamon and beat until well mixed. 

5. Assemble the bars"
Spread filling over the cooked base. Crumble the reserved dough over the filling. 
Sprinkle 1/2 teaspoon of cinnamon over the top. 

6.Bake:
Bake until a knife comes out clean - about 25 to 30 minutes. Cool to room temperature -
about two hours. Chill before cutting into bars.