Fondant icing a supersaturated solution until nucleation occurs. While the solution is supersaturated, if a cook puts a seed crystal (undissolved sucrose) into the mix, or agitates the solution, the dissolved sucrose crystallizes to form large, crunchy crystals (which is how rock candy is made). However, if the cook lets the solution cool undisturbed and then stirs it vigorously, it forms many tiny crystals, resulting in a smooth-textured fondant. Fondant icing Fondant icing, also commonly referred to simply as fondant (, ), is an icing used to decorate or sculpt cakes and pastries. It is made from sugar, water, gelatin, butter, and
Fondant icing sucre," meaning "sugar dough." "Poured fondant" is a creamy confection used as a filling or coating for cakes, pastries, and candies or sweets. In its simplest form, it is sugar and water stabilized with gelatin and glycerine. It is cooked to the soft-ball stage, cooled slightly, and stirred or beaten to incorporate air, until it is an opaque mass with a creamy consistency. Sometimes lemon or vanilla is added to the mixture for taste. Other flavorings are used as well, as are various colorings. An example of its use is the Cadbury Creme Egg, the filling of which is inverted