Blackberry-Gin Fizz

Directions

1. 1.

   Purée blackberries and sugar in a blender. Let stand, stirring occasionally, until sugar is dissolved, about 10 minutes. Strain purée through a fine-mesh sieve into a pitcher (there will be about 3/4 cup); discard seeds in sieve. Stir gin and lime juice into pitcher.

2. 2.

   Divide drink among ice-filled glasses; top with soda. Garnish each with a basil sprig.