Blackberry Daiquiri

Muddle the blackberries in a shaker to release their juices and flavors.

Add the light rum, freshly squeezed lime juice, elderflower liqueur, and simple syrup to the shaker.

Include a dash of grapefruit bitters for an aromatic touch.

Fill the shaker with ice and shake vigorously until well-chilled.

Double strain the cocktail into a chilled cocktail coupe to ensure a smooth texture.

Garnish with a fresh blackberry for a visually appealing finish.