The Boulevardier

1 1/2 oz bourbon
1 oz Campari
1 oz sweet vermouth

Try Carpano Antica

Stir long and well with ice in a mixing glass.
Strain into a cocktail glass.
Garnish with a cherry.

Haigh, Ted. Vintage Spirits and Forgotten Cocktails. Page 75. Beverly, MA: Quarry Books, 2009.