Pamplemousse Recipe Published January 24, 2009 Ingredients 1 1/2 oz Canadian whisky 1/2 oz Southern Comfort peach liqueur 2 oz grapefruit juice 1 tsp pineapple syrup Shake with a glassful of broken ice and pour unstrained into an old-fashioned glass. Garnish with a small slice of grapefruit and a cherry.