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Whoopie Pies

8
Servings

Ingredients

  • 2 Cup all-purpose flour
  • 1/2 Cup Dutch-process cocoa powder
  • 1 1/4 Teaspoon baking soda
  • 1 Teaspoon salt
  • 1 Cup well-shaken buttermilk
  • 1 Teaspoon vanilla
  • 1 stick (1/2 cup) unsalted butter, softened
  • 1 Cup packed brown sugar
  • 1 large egg
  • 1 stick (1/2 cup) unsalted butter, softened
  • 1 1/4 Cup confectioners sugar
  • 2 Cup marshmallow cream such as Marshmallow Fluff
  • 1 Teaspoon vanilla