- 1 (1.5 fluid ounce) jigger Kentucky bourbon
- 1/2 (1.5 fluid ounce) jigger triple sec
- 1/2 (1.5 fluid ounce) jigger Key lime juice
- 1 splash simple syrup, or to taste
- 1 splash club soda, or to taste
- ice
- Stir bourbon, triple sec, lime juice, simple syrup, and club soda together in a cocktail shaker. Fill a glass with ice and pour cocktail over ice.