1 ½ cup frozen or fresh triple berry blend (blueberries, blackberries and red raspberries), 2/3 cup water, 8 packets SweetN Low zero calorie sweetener, 1 (20-ounce) bottle unflavored sparkling water, 4 fresh blackberries, if desired
Preparation
Place berries, water and SweetN Low in a blender; secure lid. Blend until smooth. Strain into large pitcher; discard seeds and pulp. Add sparkling water. Garnish glass with fresh blackberries. Serve chilled.