Rock candy

Rock candy or sugar candy, also called rock sugar, or crystal sugar, is a type of confection composed of relatively large sugar crystals. This candy is formed by allowing a supersaturated solution of sugar and water to crystallize onto a surface suitable for crystal nucleation, such as a string, stick, or plain granulated sugar. Heating the water before adding the sugar allows more sugar to dissolve thus producing larger crystals. Crystals form after six to seven days. Food coloring may be added to the mixture to produce colored candy.

Rock candy
Colored and flavored rock candy commonly sold in the United States
Alternative namesRock sugar
TypeConfectionery
Main ingredientsSugar, water
VariationsAbout 10
Food energy
(per serving)
223–400 kcal
Other information450–225
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