Preheat oven to 350 degrees. Spray a whoopie pie pan with nonstick cooking spray. Set aside.
In a medium bowl, combine flour, pumpkin pie spice, baking soda, baking powder and salt. Stir to mix.
3 cups all purpose flour, 2 tsp pumpkin pie spice, 1 tsp baking soda, 1 tsp baking powder, 1 tsp salt
In the bowl of a mixer, combine brown sugar and coconut oil. Stir to combine. Add pumpkin puree and eggs and mix well.
2 cup packed brown sugar, 1 cup melted coconut oil, 1 10 oz can pumpkin puree, 2 eggs
Working in batches, add in flour mixture. Mix until completely combined.
Drop by 1 1/2 Tbsp amounts in wells of prepared whoopie pie pan. Bake in preheated oven for 8-10 minutes. Remove from oven and let cool for 2 minutes in pan. Transfer to wire cooling rack and cool completely.
Pipe cream cheese frosting onto one cooled whoopie pie and then top with a second whoopie pie.
1 cup cream cheese frosting