Rum Old-fashioned

• 1 1/2 oz Light rum
• 1 tsp 151 proof rum
• 1/2 tsp Powdered sugar
• 1 dash Bitters
• 1 tsp Water
• Twist of Lime peel

Stir powdered sugar, water, and bitters in an old-fashioned glass. When sugar has dissolved add ice cubes and light rum. Add the twist of lime peel, float 151 proof rum on top, and serve.