Here's why it can be finicky, though. I had to make this recipe a few times to get the color change to actually work and adjust the ingredients. I recently got this blueberry Moscato from Oliver ...

With butterfly pea flower tea, you can turn your French 75 purple. Isle says this drink is kind of a variation on a gin & tonic. After muddling basil leaves and lime juice in a shaker, you add ice, ...

Butterfly wings get their color in ways that almost feel impossible. Up close, each wing is made of countless tiny scales that either hold pigment or manipulate light. The oranges, reds, and browns ...