In a medium bowl, stir together the flour, baking powder, baking soda, cinnamon, ginger and cloves. Set to the side.
In another bowl, stir together the brown sugar and oil. Then add the egg, vanilla extract, and pumpkin puree. Mix until combined.
Mix dry ingredients into wet ingredients.
Line baking sheet with parchment paper.
Put 12 large tablespoon sized balls of batter on baking sheet leaving 1" between them.
Bake for 20 minutes and use toothpick to check if done. If clean, they are done.
Let cool.
Cream Cheese Frosting Filling
In another medium bowl, mix together the butter, cream cheese, powdered sugar, vanilla extract and milk.
Put It All Together
When the cookies have cooled, spread filling onto flat side of cookies. Assemble pies by putting flat 2 flat sides of cookies together. Store in refrigerator.