- ice cubes (several)
- 1/4 cup blue curacao
- 1/2 cup grapefruit juice (freshly squeezed)
- sparkling wine (to top off)
- 1 slice star fruit
- Put the ice cubes in a cocktail shaker and add the blue Curacao and grapefruit juice. Shake well.
- Strain into a cocktail glass and top with sparkling wine. Serve decorated with the star fruit.