May 8th, 2009
Tom Schlesinger-Guidelli (invented for Roaring Twenties party at Boston Athenaeum)
1 1/2 oz London dry gin
3/4 oz simple syrup
3/4 oz fresh lime and grapefruit juice (equal parts)
1/4 oz green Chartreuse
Shake ingredients over ice, strain into a champagne glass and top with bubbly and a small mint leaf.