
Makes 24 large cookies
3/4 cup plus 2 tablespoons cake flour 1 tablespoon baking powder 1/8 teaspoon kosher salt 1 tablespoon powdered instant coffee 1 tablespoon boiling water 1 teaspoon vanilla extract 7 oz unsweetened chocolate, coarsely chopped 6 oz bittersweet chocolate, coarsely chopped 8 tablespoons (1 stick) unsalted butter 7 large eggs…