4, multiply as necessary
Combine all in sealed container and chill in fridge for at least an hour (but no more than 6). When ready to serve, shake the container vigorously to create body (I use a swing top bottle from Bormioli Rocco) and pour into glasses packed with ice.
PRO TIP: I love using St. George Spirits Green Chile Vodka in place of the plain stuff. If you like peppers, give it a shot!