2 dashes Angostura Bitters
Luxardo Maraschino Cherry
Add the sugar, soda water, and bitters into an old fashioned glass.
Stir the ingredients until they blend into a base.
Add rum and stir until the sugar fully dissolves.
Fill the glass with ice and stir until the glass is ice cold to touch.
Spritz orange oils over the cocktail and rub the rind around the glass, drop it in the drink.
Garnish with a cherry, serve.