Combine white and brown sugar to give cookies a chewier texture. Using granulated sugar alone will make them crispier.
To measure granulated or powdered sugar, spoon into a measuring cup, then level off with a flat kitchen utensil.
Brown sugar must be packed when measured. Pour or spoon into a measuring cup and press down fimly, adding more sugar as needed.
Store sugar in an airtight container in a cool, dry place, (Seal brown sugar in a plastic bag.) If stored properly, sugar can keep for several years.
If brown sugar has clumped, revive it by adding an apple wedge or slice of bread. Seal and let stand about 1 or 2 days.
A quick solution? Microwave sugar on HIGH for 30 seconds.