Place the sugar cube in the bottom of a rocks glass. Add 3 dashes of Angostura bitters and a splash of seltzer water. Using the back a bar spoon or a bar muddle, smash the sugar cube until well dissolved.
Add bourbon then ice.
Slice a large piece of lemon peel. Rub the rim of the glass with the lemon and twist it over the drink before serving.
Cooks Notes
Being such an old drink many variation have been created from the original. Some using mashing cherries and oranges, this is described as the old fashioned, Old Fashion.