Classic Whoopie Pies Recipe @ TotallyChefs

Ingredients

• 2 cups all-purpose flour
• 1 cup unsweetened cocoa powder
• 1 teaspoon baking soda
• 1/2 teaspoon salt
• 1/2 cup unsalted butter, softened
• 1 cup brown sugar
• 1/2 cup granulated sugar
• 2 large eggs
• 1 teaspoon vanilla extract
• 1 cup milk
• 2 cups powdered sugar
• 1/2 cup shortening
• 1 teaspoon vanilla extract (for filling)