Rock sugar for making candied haws. Rock sugar and sugar are both extracted from sugar cane and sugar beet, which belong to the category of sucrose. Rock sugar is formed by recrystallization of white sugar under certain conditions. Their chemical composition is sucrose.
Sugar-Coated Berry, also known as sugar-coated haws, is a traditional snack in China. It is made of hawthorn strung with bamboo sticks and dipped in rock sugar, which quickly hardens when it meets the wind.