Double Dark Chocolate Cupcakes with Peanut Butter Filling
Ingredients 2/3 cup confectioners’ sugar 1 cup heavy cream 1 cup buttermilk 1 and 3/4 cups all-purpose flour 8 ounces semisweet chocolate, chopped 1 and 1/4 teaspoons baking soda 1 cup creamy peanut butter 1/4 teaspoon salt 1 and 1/2 sticks plus 3 tablespoons unsalted butter, softened 1 and 1/2 cups granulated sugar 2 large…