Leonardo is luscious strong cocktail at 1.3 standard drinks. Shaken with 30ml brandy adet and 15ml benedictine dom herbal liqueur with 20ml vermouth sweet as well as 15ml bitters angostura including 10ml lemon juice also 100ml ice and served before a meal to stimulate appetite. Just place ice into cocktail bar shaker then add ingredients into bar shaker over ice and shake ingredients together until mixed. Fine strain into glass and served in a saucer glass cold.