– 1 C of fresh or frozen blackberries
– 1 C of fresh or frozen blueberries
– 2 C of purple grape juice
– 3-4 mint leaves
– 1/2 tbsp of lemon rind lemon rind
– 1 tbsp of lemon juice
– 10 ice cubes (if you’re using fresh berries)
– Lemon slices, for garnish
– Mint, for garnish