Ingredients

Tweedle: 2 oz
Grapefruit Juice: 2 oz
Lime juice: 1/2 oz
Simple syrup: 1 tsp (or to taste)
Sparkling water

Glass & Garnish

Highball
Lime or grapefruit slice

Method

Pour Tweedle, grapefruit juice, lime juice and simple syrup into a glass
Top w/ sparkling water and add ice

Garnish w/ a slice of lime or grapefruit