This Good Old Fashioned Cocktail is one of the oldest mixed drink recipes around! Using only 4 ingredients, it comes together quickly!
In a cocktail shaker, combine simple syrup, bitters, and Bourbon.
Fill cocktail shaker with ice halfway up and shake to combine/chill.
Stain into a glass with a giant ice cube (square or circle).
Squeeze orange peel over glass to infuse flavor as well as wipe rim with peel.
Serve and enjoy!