Peel the ginger and then finely chop. Add all ingredients to the pot and bring to boil. Allow to cook for 2 min then remove from heat and let steep for 20 minutes. Strain syrup through a fine strainer. Keep refrigerated
Add White Rum, Lime Juice and Ginger syrup to shaker. Strain into Collins glass with ice. Top with Angry Orchard Crisp Apple and Crème de Cassis. Garnish with lime wheel and blackberries.