1.5 oz Coconut Syrup
8oz Lemon-Lime Soda
2 drops Blue Food Coloring
Maraschino Cherry (optional)
Fill a pint glass with pebble ice.
Add coconut syrup, soda, and blue food coloring.
Stir it (I use a bar spoon) until well combined.
Garnish with a cherry if desired, then enjoy!