3/4 oz Grapefruit Juice
1 dash Lemon Juice
3/4 oz Lavender-Infused Honey Syrup (*)
1 dash Crème de Violette
1 Egg White
Shake with ice and strain into a Highball glass. Top with ~2 oz of soda water, garnish with dried lavender flowers, and add a straw.
(*) A 4:1 infused syrup. As a quick substitution, shake the drink with honey syrup and 1 tsp of dried lavender flowers. Add a fine straining step.