Jamaican White Mule★ ★ ★ ★ ★(491 ratings) Tweet this Recipe Share on FacebookPrep: 1 minMaking: 1 minTotal: 2 mins Serving: 1 cocktail Ingredients White Rum 50ml / 1.7oz. Lime Juice 10ml / 0.3oz. Ginger Beer 150ml / 5.1oz. a slice of lime Recipe Add Ice, White Rum, Lime Juice, and Ginger Beer to a Moscow Mule Copper Cup. Gently stir. Garnish with a slice of lime.