Chill a cocktail glass in the freezer or fill with ice water and set aside.
Fill a cocktail shaker halfway with ice cubes.
Add 60ml brandy, 30ml triple sec, and 20ml fresh lemon juice.
Shake vigorously for 10–12 seconds until well chilled.
Discard the ice from the chilled glass.
Double-strain through a fine mesh strainer into the chilled cocktail glass.
Express a lemon twist over the surface and place on the rim to garnish.
Double-straining is essential here - it removes small ice shards and ensures a silky, crystal-clear pour that matches the cocktail's polished character. For a richer, more complex result, swap standard brandy for a VS Cognac.
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