Butterfly Pea Flower Lemonade is a stunning, vibrant drink that’s as fun to make as it is to sip. Watch the color-changing effect unfolds as the blue butterfly pea flower tea mixes with lemonade ...

where "customers can pour and mix Butterfly Pea Flower tea and citrus cold foam with lemonade for a beautiful beverage metamorphosis." Several "mixology" drinks will also be on Roastery menus ...

From left, raspberry matcha, coconut iced latte, butterfly pea tea lemonade and grape shaken cold brew ($7.25-$7.99) at WhatCoffee & Bakery in Santa Clara. Courtesy WhatCoffee & Bakery.