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Classic Chocolate Whoopie Pies with Fluffy Marshmallow Filling

Two decadent chocolate whoopie pies stacked on a white plate, one cut in half showing the thick white cream filling.
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Make soft, cakey chocolate whoopie pies with a cloud-like marshmallow cream filling. This recipe delivers the nostalgic taste of homemade sandwich cookies without complicated steps.

Ingredients

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  • 1 3/4 cups all-purpose flour
  • 1 3/4 cups granulated sugar
  • 3/4 cup unsweetened cocoa powder
  • 1 1/2 teaspoons baking soda
  • 1 teaspoon baking powder
  • 1/2 teaspoon salt
  • 2 large eggs
  • 1 cup buttermilk
  • 1/2 cup vegetable oil
  • 1 teaspoon vanilla extract
  • 1 cup hot water or hot brewed coffee
  • 1/2 cup (1 stick) unsalted butter, softened
  • 3 cups powdered sugar, sifted
  • 1/4 cup milk
  • 1 teaspoon vanilla extract

Instructions

  1. Preheat your oven to 350°F (175°C). Line baking sheets with parchment paper.
  2. In a large bowl, whisk together the flour, granulated sugar, cocoa powder, baking soda, baking powder, and salt.
  3. Add the eggs, buttermilk, vegetable oil, and 1 teaspoon of vanilla extract to the dry ingredients. Beat with an electric mixer on medium speed until just combined.
  4. Carefully mix in the hot water or coffee until the batter is smooth. The batter will be thin.
  5. Drop rounded tablespoons of batter onto the prepared baking sheets, spacing them about 2 inches apart. You should get about 24 cookies.
  6. Bake for 10 to 12 minutes. The cookies should spring back lightly when touched. Let them cool on the baking sheet for 5 minutes before transferring them to a wire rack to cool completely.
  7. To make the marshmallow filling, beat the softened butter in a large bowl until creamy.
  8. Gradually add the powdered sugar, alternating with the milk, beating well after each addition.
  9. Add the vanilla extract and continue beating until the filling is light and fluffy. If the filling is too thick, add a tiny bit more milk, one teaspoon at a time.
  10. Once the chocolate cakes are completely cool, spread a generous amount of filling on the flat side of one cookie. Top with a second cookie to create a sandwich.

Notes

  • Using hot coffee instead of hot water deepens the chocolate flavor in the cake shells.
  • For uniform whoopie pies, use an ice cream scoop to portion the batter onto the sheets.
  • If you prefer a less sweet filling, substitute half of the powdered sugar with marshmallow fluff for a stabilized marshmallow cream.

Nutrition

Find it online: https://completelyyummy.com/classic-chocolate-whoopie-pies-recipe/