The ‘kryptonite’ A smooth but potent cocktail with a couple of variations. By Guest Contributor October 23, 2013 Drinks Preparation Time Cook Time Servings0Ingredientsgreen kryptonite’– 25ml spiced rum– 25ml overproof rum (wray and nephew recommended)– 12.5ml blue curacao– 12.5ml lime juice– 50ml still ginger beer– butterscotch schnapps‘blue kryptonite’– 50ml overproof rum– 12.5ml blue curacao– 12.5ml lime juice– 50ml still ginger beer-butterscotch schnappsInstructions Step 1: Put all ingredients but schnapps into a mixing tin over ice. Shake and strain into martini glass. Drizzle some schnapps into the centre of the drink. Garnish with lime wedge.