Chocolate Whoopie Pies with Vanilla Buttercream Filling

🥘 Ingredients

• all-purpose flour 1 ¾ cup
• salt ½ tsp
• unsweetened cocoa powder ¾ cup
• baking soda 1 ½ tsp
• baking powder ½ tsp
• butter ½ cup
• sugar 1 cup
• egg 1 large
• buttermilk 1 cup
• vanilla 1 tsp
• butter ½ cup
• confectioners' sugar 4 cup
• milk ¼ cup
• vanilla ½ tsp

1. 1

   Preheat oven to 400°F. Sift together all-purpose flour , salt , unsweetened cocoa powder , baking soda , and baking powder . Set aside. Line 2 baking pans with parchment paper . In the bowl of an electric mixer fitted with the paddle attachment, cream butter and sugar until light and fluffy. Add egg , buttermilk , and vanilla . Beat until well combined. Slowly add dry ingredients. Mix until combined.
2. 2

   Using a 1-ounce ice cream scoop , place dough onto a parchment-lined baking pan, 12 per pan. Bake for 10 to 12 minutes . Remove to a rack to cool. Repeat with remaining batter.
3. 3

   In the bowl of an electric mixer fitted with the paddle attachment, cream butter until smooth and creamy, 2 to 3 minutes . With mixer on low speed, add 3 cups confectioners' sugar , milk , and vanilla ; mix until light and fluffy. If necessary, gradually add remaining cup sugar to reach desired consistency.
4. 4

   Transfer buttercream to a disposable pastry bag and snip the end. When cookies have cooled completely, pipe 2 tablespoons buttercream onto the flat side of half the cookies. Sandwich with remaining cookies, pressing down slightly so that the filling spreads to the edge of the cookies.