3 oz. Vodka - (more) 1 tsp. White Creme de Cacao - (more) 1/2 tsp. Dry Vermouth - (more) 1/2 tsp. Sweet Vermouth - (more)
Shake with cracked ice. Strain into a chilled cocktail glass rimmed with sweetened cocoa powder and garnish with a Hershey's Kiss.