Ingredient:
2 oz gin
1 sprig fresh tarragon
2 oz watermelon puree 
1 oz prepared lemonade
1/2 oz elder flower liqueur
4-5 Ice

Method:
Pour gin in cocktail shaker. Add tarragon and muddle.

Add remaining ingredients, allow to sit for a minute to let flavors blend.

Add ice to the cocktail shaker, and shake vigorously.

Strain into two glasses and serve immediately.