Icing (food) desired colour. Sprinkles, colouring mist, edible ink designs, or other decorations are often used on top of icing. The simplest icing is a glacé icing, containing powdered sugar and water. This can be flavoured and coloured as desired, for example, by using lemon juice in place of the water. More complicated icings can be made by beating fat into powdered sugar (as in buttercream), by melting fat and sugar together, by using egg whites (as in royal icing), and by adding other ingredients such as glycerin (as in fondant). Some icings can be made from combinations of sugar and cream
Fondant icing marshmallows. Rolled fondant is rolled out like a pie crust and used to cover the cake. Commercial shelf-stable rolled fondant often consists principally of sugar and hydrogenated oil. However, different formulations for commercial shelf-stable fondant are available and include other ingredients, such as sugar, cellulose gum, and water. "Marshmallow fondant" is a form of rolled fondant often made and used by home bakers and hobbyists. Marshmallow fondant is made by combining melted shelf-stable marshmallows, water, powered sugar, and solid vegetable shortening. Home bakers use this recipe for homemade fondant due to the readily available access to required ingredients. "Sculpting fondant"