Boulevardier Cocktail Recipe 4 mins 2 drinks Bourbon & Whiskey Ingredients 90ml Whiskey 75ml Campari 75ml Sweet Vermouth Get all your USA cocktail ingredients at ReserveBar Affiliate link — we may earn a commission at no extra cost to you. Directions Combine all ingredients into a shaker with ice. Stir gently in the bottom of the shaker until combined. Strain into two glasses over ice. Garnish with a twist of orange peel.