Ingredients:
- Tequila
- Grapefruit juice
- Lime juice
- Cointreau or other orange liqueur
- Elderflower syrup
- Soda water
- Ice
Instructions:
- Cut the grapefruit in half and squeeze the juice into a mixing glass.
- Muddle the lime juice and Cointreau together in the mixing glass.
- Add the tequila and elderflower syrup to the mixing glass and stir to combine.
- Fill a cocktail shaker with ice and add the mixture from the mixing glass.
- Shake vigorously for about 15-20 seconds to combine and chill the ingredients.
- Strain the cocktail into a chilled glass filled with ice.
- Top off the cocktail with soda water and stir gently.
- Garnish with a lime wheel or wedge, if desired.