Sunflower seed brittle is produced by embedding the kernels in hard sugar candy. The final texture of sugar candy depends primarily on the sugar concentration. Sugar candy is often used to sweeten tea. The term "barley sugar" become increasingly genericized and included many similar types of sugar candy. Sugar candy is "sugar crystallized by repeated boiling and slow evaporation". Many apothecaries used sugar candy to make their prescriptions more palatable to their customers.