Cook, stirring occasionally, for 15 minutes or until thickened. Allow to cool before spreading over the base. To make the marshmallow, place the warm water in the bowl of an electric mixer, sprinkle ...
Refrigerate for 1–2 hours or until set. To make the icing sugar mixture, place the icing sugar and cornflour in a bowl and mix to combine. Turn the marshmallow out onto a surface lightly dusted with ...