Sugar paste icing is a sweet edible sugar dough usually made from sucrose and glucose. Gum paste is an edible sugar dough used for decor. Gum paste is a pliable sugar dough that is used to make life-like flowers and leaves that dry to a porcelain-like hardness then used to decorate cakes. Gum paste is a soft and pliable sugar dough, but unlike fondant, it dries completely hard. Comparing fondant and gum paste for making sugar flowers, cake toppers, figurines and many.