An updated bitter grapefruit aperitif in the Milanese style? A triple sec that’s grapefruit instead of orange? What is this Citron Sauvage? Citron Sauvage is a grapefruit liqueur which we find eminently useful with a capital “U”. Substitute it for Triple Sec in a Margarita for a beautiful pink hued cocktail. Add a dash to a Hemingway to accentuate the bitter grapefruit flavors. Just add a splash of soda for a refreshing spritz or start opening up new variations on a Negroni. We think it’s a little taste of summer in a glass.