Chocolate Whoopie Pie Directions

1. Preheat oven to 350 degrees F and line a baking sheet with parchment paper
2. Combine flour, cocoa powder, baking soda and salt in a bowl and whisk together
3. Cream together butter, brown sugar and vanilla extract until fluffy
4. Add egg to butter mixture beat until combined
5. Slowly alternate adding flour mixture and buttermilk and beat until smooth
6. Scoop 1 tbsp size mounds of batter onto prepared baking sheet
7. Bake for 6-8 minutes or until the cookie springs back when you touch it
8. Remove the cookies from the oven and cool completely before assembling

Marshmallow Cream Filling Directions

1. Beat the butter, powdered sugar, vanilla extract and marshmallow fluff together until smooth. 
Cover and set aside until ready to use

Whoopie Pie Assembly

1. Pipe the marshmallow cream to cover the flat side of one cookie
2. Sandwich two chocolate cookies together
3. Serve or store in an airtight container