Blackberry Vodka Tonic - cooking recipe

Ingredients

1 pt. blackberries, plus additional berries (for serving)
1 (750 ml) bottle vodka (preferably 90 proof)
tonic water and lime wedges (for serving.

Preparation

Place the blackberries in a 6 cup jar with a tight fitting lid. Add the vodka. Cover tightly and let stand at room temperature for 4 days, turning the jar over every day.
Transfer the jar to the freezer and freeze for at least 2 days or up to 1 year.