Butterfly Pea Flowers Turn the Familiar into a Head-Turning Spectacle

Liz Grossman

When bartenders started to discover the color-changing properties butterfly pea flower boasts when mixed with citrus, it opened up a world of Instagrammable cocktail opportunities. Margaritas arrived on tables with vials of butterfly pea flower tea guests used to transform the drink from pale green to purple in front of their camera phones....