Ingredients:
3 grapefruits juiced
4 tsp fresh lime juice
4 tsp agave syrup
1 sprig thyme
Fine sugar or salt for rim of glass
Simple syrup
Chill the margarita glasses until ready to use. Wet the rim of the glass with simple syrup and dip in sugar. Shake grapefruit juice, lime juice and agave, then strain and pour into glass. Garnish with thyme and m a slice of lime.