How To Make Blueberry Sage Cubes Add your two cups of water to your pot Sprinkle in your yummy sage Give it a quick stir and then leave it alone for 10 minutes Set it aside and let it coooool down for 25 minutes Scoop the delicious mixture into your ice trayI Cover and place in the freezer overnight Add a squeeze of fresh lime, a shot of your favorite vodka, and top with soda water