St-Germain Elderflower Liqueur is a premium French floral liqueur made from up to 1,000 hand-picked elderflower blossoms per 750ml bottle. Known in the bar industry as "bartender's ketchup" for its versatile ability to enhance almost any cocktail, it features a 20% ABV (40 proof) and a profile often described as having notes of peach, pear, and grapefruit.