“One hundred percent of the children who had not eaten the marshmallow were successful. . . . A great percentage of the kids who ate the marshmallow were in trouble.” If you were the kind of 4 ...

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 ...