1 tbsp lemon juice
2 tbsp elderberry liqueur (such as St. Germain)
1 & 1/2 ounces vodka
Splash of soda
Garnish - blackberries and a lemon twist.
1. In the bottom of a mixing glass or cocktail shaker, lightly crush blackberries to release their juices. Add lemon juice, vodka and elderberry liqueur. Gently mix and strain into an old fashioned glass over crushed ice. Top off with a splash of soda.
2. Add your garnish and enjoy!