Andrew MacElhone's 1972 creation at Harry's New York Bar in Paris brought electric blue Curaçao to the highball glass, pairing its orange citrus character with vodka and lemonade in a drink that is as visually arresting as it is straightforward. The color is the point.
built · highball · cubed
build
Fill a highball glass with ice and add vodka and Blue Curaçao.
top
Top with lemon soda and stir gently.
garnish
Garnish with a lemon wheel.