Place strawberries and mint leaves in the cocktail shaker.
Muddle gently until strawberries release their juice and mint becomes fragrant.
Add tequila, lime juice, and simple syrup to the shaker.
Fill the shaker with ice and shake vigorously for 10-15 seconds.
Fill a rocks glass with fresh ice.
Double strain the mixture into the glass to remove berry seeds and mint pieces.
Top with a splash of club soda.
Garnish with a fresh strawberry slice and mint sprig.
Notes
The drink tastes best with ripe, in-season strawberries.If you use frozen strawberries, let them thaw completely before muddling.Store-bought simple syrup works well.You can also make it at home by mixing equal parts sugar and hot water until dissolved.Choose a quality silver tequila for a cleaner taste that pairs well with fruit.Make the drink sweeter by adding more simple syrup, or use more lime juice for a tarter flavor.