When ready to serve, place 1 to 2 teaspoons of sugar on the top of each custard, making sure to cover the entire surface. (biggirlssmallkitchen.com)
Let it sit for about an hour so a skin can form on the top, and then sift the remaining powdered sugar on top of the marshmallows. (sprinkledwithjules.com)
If desired, top with your nuts of choice and sprinkle a 1/2 tsp of brown sugar on top of each muffin. (apple-of-my-eye.com)