Add simple syrup and gently muddle the mint to release oils.
Pour in tequila and lime juice.
Fill shaker with ice and shake for 10-15 seconds.
Double strain into a chilled champagne flute.
Top with prosecco or champagne.
Garnish with a fresh mint sprig.
Notes
Use fresh lime juice for the best flavor.Keep mint leaves whole when muddling to avoid bitterness.Store leftover simple syrup in the fridge for up to 2 weeks.Choose a quality silver tequila for better taste.Chill your prosecco or champagne before using.