Grapefruit + Thyme Gin and Tonic

Grapefruit + Thyme Simple Syrup:
1 cup Ruby Red grapefruit juice
¾ cup sugar
Fresh thyme sprigs
2 oz. gin
4 oz. tonic water
1 oz. grapefruit thyme simple syrup
Thyme sprigs (for serving)
Ice (for serving)

To make simple syrup: Bring all ingredients to a simmer in a saucepan and simmer until sugar dissolves. Remove fresh thyme sprigs and pour into a jar to cool.
To make cocktail: Combine gin, tonic water, and simple syrup. Stir gently and pour over ice. Garnish with fresh thyme. Makes 1 cocktail.