Halloween Whoopie Pies - Delicious Little Bites Ingredients For the cookies: - 1 cup all-purpose flour - 1/2 cup unsweetened cocoa powder - 1 tsp baking powder - 1/4 tsp baking soda - 1/4 tsp salt - 1/2 cup unsalted butter, softened - 1 cup granulated sugar - 1 large egg - 1 tsp vanilla extract - 1/2 cup buttermilk For the filling: - 1/2 cup unsalted butter, softened - 2 cups powdered sugar - 1 tsp vanilla extract - 2 tbsp orange food coloring - 1/4 cup…