Carthusian Summer

12 oz Green Chartreuse
12 oz Gin, Plymouth
1 oz Simple syrup (homemade)
1 oz Lemon juice
2 oz Soda water
Instructions
Add all ingredients to an iced highball or Collins glass. Give a quick stir and top with the soda.
History
I created this drink for the opening of the Great Lakes Coffee Bar in Detroit. This is a really refreshing drink on a hot summer day. Named for the Carthusian monks who have been producing Chartreuse since the mid 1700's.
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