1) Make the Cold Brew
Brew cold brew according to instructions on the box. See brew guide for further instructions.
Do not dilute pitcher with second batch of water after steeping.
2) Make the Spritzer
Dilute steeped cold brew with the tonic water and lemon flavored sparkling water. Stir.
3) Serve and Enjoy
Fill desired glasses with ice and pour in the spritzer. Garnish with a sprig of rosemary and a lemon slice. Enjoy!