Add cucumber slices to the shaker and muddle gently to release the juice.
Pour in the tequila, lime juice, and simple syrup.
Fill the shaker with ice and shake for 15 seconds.
Strain the mixture into a highball glass filled with fresh ice.
Top with club soda and stir gently.
Garnish with a cucumber ribbon and lime wheel.
Notes
Make simple syrup by mixing equal parts sugar and hot water until dissolved. Store in the fridge for up to 2 weeks.Use fresh cucumbers for the best flavor. English cucumbers work well because they have fewer seeds.For extra cucumber flavor, infuse the tequila with cucumber slices for 24 hours before making the cocktail.This recipe serves one person. Double or triple the ingredients to make multiple drinks.