At Toronto’s esteemed cocktail spot Library Bar at the Fairmont Royal York, the Birdbath Martini is an oft-served favourite prepared tableside with either gin or vodka and an in-house vermouth blend. This is the Classic, an effervescent, full-bodied version of the recipe, but director of beverage James Grant also created one called the Luxe, which features a house-made olive-oil-and-butter spirit.