First, let's make the Meringue Mushroom one. Add 2 egg whites, 60g Sugar, 60g Icing Sugar Sifted, 1/2 tsp Cream of Tartar, and 1/2 tsp Vanilla Extract to the mixing bowl and whisk well. Beat until stiff peaks form.
2 Egg Whites, 60 g Sugar, 60 g Icing Sugar, 1/2 tbsp Cream of Tartar, 1/2 tbsp Vanilla Extract