Classic Duke is enjoyable strong cocktail at 1.4 standard drinks. Shaken with 40ml whisky liqueur drambuie and 15ml orange juice with 15ml lemon juice as well as 15ml egg swan including 15ml sparkling wine white also 100ml ice and best with an entree or small snack. Just pack ice into glass then add in whisky and juces to glass and add in the egg. Shake the hell out of it and stir in sparkling white wine and hawthorne strain into glass and served in a saucer glass cold.