Whoopie Pies Stuffed with Edible Cookie Dough

Ingredients

For Chocolate Cookie Shells

• 1 cup (200 g) granulated sugar
• ⅓ cup (75 g) unsalted butter softened (5 ⅓ Tablespoons)
• 1 large egg room temperature preferred
• 1 ½ teaspoons vanilla extract
• ½ cup (118 ml) buttermilk
• 2 cups (250 g) all-purpose flour
• ½ cup (50 g) natural cocoa powder
• 1 teaspoon baking soda
• ¼ teaspoon baking powder
• ½ teaspoon salt
• ½ cup (118 ml) steaming hot water

For Cookie Dough Filling

• 1 ¾ cups (215 g) all-purpose flour
• 1 cup (226 g) unsalted butter softened
• 1 ¼ cups (250 g) light brown sugar firmly packed
• ¼ cup (50 g) granulated sugar
• 1 teaspoon vanilla extract
• ½ teaspoon salt
• 2-3 Tablespoons whole milk
• ½ cup (85 g) semisweet chocolate chips I use a blend of mini and regular-sized