Boomerang is heavenly very strong cocktail at 1.4 standard drinks. Shaken with 15ml whisky and 15ml bask droppar with 15ml vermouth dry as well as 15ml swedish punsch kronan including 10ml lemon juice also 100ml ice and best with buffet style food. Just add ice to shaker then add all ingredients and shake well. Strain into glass and served in a liqueur glass cold.