Stir in mixing glass with ice & strain
1 1/2 oz gin (4.5 cl, 3/8 gills)
1/2 oz dry vermouth (1.5 cl, 1/8 gills)
1/4 oz Grand Marnier (6 dashes, 1/16 gills)
1/4 oz Cointreau (6 dashes, 1/16 gills)
Add lemon twist
Serve in a cocktail glass (4.5 oz)
