Icing sugar comes in different grades according to how finely the sugar is milled, denoted by the number of Xs on the packet. Icing sugar easily absorbs moisture and odours – keep in an airtight ...
icing sugar, is widely available. When making fat-based icings such as buttercream, use full-fat butter or margarine because low-fat substitutes such as spreads or margarines will not hold air ...