What you’ll need
Add the sugar bit by bit to the egg whites whisking together each time.
Keep adding and whisking in the sugar until it is all incorporated.
Once you’ve added all the sugar whisk until you have a smooth thick texture.
Now start adding the icing sugar bit by bit using a spatula
Keep folding the icing sugar into the mixture
Mix until it is smooth and has the consistency you can see here
Fill a pastry bag with a star tip
Place parchment paper on a baking sheet and squeeze gently in circular motions to make meringues
Bake for 2 hours at 100 degrees Celsius