The Construction
A classical Boulevardier: 1.5 oz bourbon (or rye for a drier version), 1 oz Campari, 1 oz sweet vermouth. Built in a rocks glass with one large ice cube. Garnish: orange peel.
Some bartenders use equal parts (1 oz of each); the encyclopedia's editorial preference is the boosted bourbon (1.5 oz) which gives the cocktail more body and complements heavier cigars more reliably.
What It Adds Over a Negroni or Old Fashioned
Compared to the Negroni: the Boulevardier has bourbon's caramel-and-vanilla in place of gin's juniper-and-floral. The result is sweeter, heavier, and more flavor-aligned with maduros.
Compared to the Old Fashioned: the Boulevardier adds Campari's bitter complexity and vermouth's herbal notes. The cocktail has more flavor architecture; it competes with the cigar for the smoker's attention more than the Old Fashioned does.
The editorial recommendation: Boulevardier when you want a more complex evening than an Old Fashioned provides; Negroni when you want pure bitter counterpoint without bourbon sweetness.
Cigar Pairings
Padrón 1926 No. 9 Maduro: the bourbon-bitters-vermouth Boulevardier with a premium Padrón is one of the matrix's most-recommended evening pairings.
Cohiba Behike BHK 52: the Cuban prestige with a Boulevardier is unconventional but works — the cocktail's bitter herbal architecture provides counterpoint to the Behike's medio-tiempo signature.
Drew Estate Liga Privada No. 9: the aggressive maduro with a boosted-bourbon Boulevardier — the cocktail meets the cigar's intensity.