Shake in iced cocktail shaker & strain
1 1/2 oz gin (4.5 cl, 3/8 gills)
1/2 oz dry vermouth (1.5 cl, 1/8 gills)
1/2 oz orange juice (1.5 cl, 1/8 gills)
Muddle several orange slices in mixing glass (optional)
Add lemon slice (optional)
Serve in a cocktail glass (4.5 oz)
