357 Magnum is finger licking built above average cocktail at 1.5 standard drinks. Built with 30ml amaretto and 15ml vodka with 15ml rum as well as 90ml lemon soda including 130ml ice and best with lunch. Just add ice to glass then pour in amatetto and add vodka and rum. Pour in lemon soda and garnish with lemon and served in a goblet glass cold.