Classic Walker
2 oz Johnnie Walker Black Label Scotch whisky
2 oz Perrier soda water
1 oz fresh lime juice
2 slices limes
Special instructions:
Take an old-fashioned glass and place 2 thin slices of lime and ice into it. Add some perrier to extract the essence of the lime. Add Johnnie Walker Black, with lime juice to finish it off. Add a stirrer and serve.