A torched meringue frosting adds even more height and drama to a layer cake. Test kitchen contributor Nicki Sizemore shows how to make the meringue, sculpt it into peaks and spikes, and finally torch it for a toasty, caramelized finish.A torched meringue frosting adds even more height and drama to a layer cake. Test kitchen contributor Nicki Sizemore shows how to make the meringue, sculpt it into peaks and spikes, and finally torch it for a toasty, caramelized finish.