Chocolate Whoopie Pies Recipe

Ingredients

• 2 cups of all-purpose flour
• 1/2 cup of unsweetened cocoa powder
• 1 cup of softened unsalted butter
• 1 cup of granulated sugar
• 1 large egg
• 1 cup of buttermilk
• 1 1/2 teaspoon of baking soda
• 1 1/2 teaspoon of vanilla extract
• 1/2 teaspoon of salt
• 1 1/4 cup of powdered sugar
• 2 tablespoons of heavy cream