One in a Melon Cocktail

For this subtly sweet Valentine's Day cocktail:

 

Combine 1 oz Watermelon + Fennel + Lime Shrub

with 

1.5 oz Vodka

and

.5 oz Elderflower Liqueur 

+

Top with Sparkling Water

 

Combine ingredients in glass with ice and stir + garnish with an orange peel heart