Yield: 1 quart; 4 servings.
⅓ cup sugar
1¼ cups fresh blueberries, divided
½ cup lemon juice
In 1 quart glass measuring cup, combine sugar, 2 tablespoons of the blueberries and ½ cup water: Microwave on high until hot, about 1 minute; stir until sugar dissolves. Add lemon juice, and enough water to make 1 quart; chill. Fill tall glasses with ice cubes, add chilled blueberry mixture and remaining berries, dividing equally. Garnish with lemon slices if desired.
To make Blueberry ice cubes: Place 3 berries in each of 12 ice cube cups. Fill with water and freeze. 36 berries equals about ¼ cup.