"Use fresh or frozen thawed blueberries in this easy, refreshing blueberry lemonade drink. The drink takes 2 1/2 cups of blueberries and about 4 medium lemons (enough to make 1/2 cup). I used 2/3 cup of sugar in this recipe, but you can play with the sugar amount. As you blend, start with 1/2 cup and work up if it isn't sweet enough. Add a sprig of fresh mint or simply garnish with a few lemon slices...."