Preheat the oven to 350 degrees F. Line cupcake pans with cupcake liners.
together the flour, sugar, cocoa, baking soda
, baking powder, and salt. Set aside. In a large bowl, combine the buttermilk, oil, eggs
, and vanilla. Slowly add the wet ingredients to the dry. Slowly stir in the coffee
Fill the cupcake pans about two-thirds full. Place a piece of Chocolate Fudge Cookie Bar in each cupcake. Bake until a toothpick inserted into the center of the cakes
comes out clean, 9 to 11 minutes. Cool completely, and then frost with Marshmallow Meringue Frosting and enjoy!