Whiskey Highball is pleasurable strong cocktail at 1.3 standard drinks. Built with 30ml whiskey four seasons and 10ml becherovka with 60ml soda water as well as 190ml ice and good with afternoon tea. Just pack ice into glass then add bitters to the edge of glass and add whiskey. Top with soda water and garnish with lemon peel and served in a highball glass cold.