Go Old Fashioned
The Old Fashioned, Don Draper style.
Instructions
  1. Put the sugar cube in the tumbler and add the bitters and a splash of soda.
  2. Crush the sugar with the back of a spoon and stir.
  3. Add an ice cube and pour the whiskey.
  4. Stir once and garnish with citrus peel.
  5. Enjoy.