Indulge in Gooey Triple Chocolate Marshmallow Crumble Bars—rich chocolate layers, fluffy marshmallows, and a crunchy crumble ...

Marshmallows are made by heating sugar to the ‘hard ball’ stage (ie. a temperature of 121-130C/250-266F). The melted sugar is combined with gelatine or gum arabic, colouring and flavouring ...