Mini Chocolate Peanut Butter Whoopie Pies Recipe

Ingredients (16)

• For the Whoopie Pies:
• 2 cups flour
• 1/2 cup Dutch-process cocoa powder
• 1 teaspoon baking soda
• 1/2 teaspoon salt
• 1 cup packed light brown sugar
• 1 stick (8 tablespoons) unsalted butter, softened
• 1 large egg, room temperature
• 1 teaspoon vanilla extract
• 1 cup buttermilk (I used 1 cup milk with 1 tablespoon white vinegar added - let it sit for a minute, and you have buttermilk!)
• For the Filling:
• 6 oz cream cheese, room temperature
• 2 1/2 tablespoons butter, softened
• 3 cups confectioner's sugar
• 1/2 cup smooth peanut butter (preferably a commercial, homogenized brand)
• 2 teaspoons coarse sea salt