• Preheat oven to 350 degrees.
• Line cookie sheet(s) with parchment paper
• In a medium bowl, combine cake mix, pumpkin pie spice, pumpkin, and oil. Using a mixer, blend until smooth.
• Scoop out balls of batter using a tablespoon or small scoop. Place each ball of dough about two inches apart. Bake for 13-15 minutes until the tops of cookies spring back when touched.
• Let fully cool to room temperature.

Cream Filling

• In a medium bowl, add butter and mix with mixer until it looks smooth and creamy.
• Slowly add powdered sugar, marshmallow cream, and vanilla until well incorporated.
• Spoon cream filling into an icing bag and squeeze about a tablespoon of filling onto one pumpkin cookie and then sandwich together. Continue, until all your whoopie pies are complete.