Granny Smith apples are bright green, with white flesh, very juicy and very firm. Their flavour is pleasantly tart-sweet, with a crunchy texture. Granny Smith apples are most often used in baking preparations because of their high acidity and ability to hold their shape under cooking but can also be eaten raw.

Granny Smith apples are high in cell repairing antioxidants. They are also a good source of soluble fiber, which has been proven to help lower cholesterol, control weight, and regulate blood sugar. Granny Smith apples contain Vitamins A and C, as well as a trace amount of iron, most of which is located in their skin.