Ingredients:
- Passionfruit juice
- Sparkling water
- Simple syrup
- Lime juice
- Egg white (optional)
Instructions:
- Combine passionfruit juice, sparkling water, and simple syrup in a cocktail shaker.
- Add lime juice and egg white (if using) to the shaker.
- Shake well for about 15-20 seconds to combine and chill the ingredients.
- Strain the mixture into a glass filled with ice.
- Top with additional sparkling water and garnish with a lime wheel or wedge, if desired.