To me, the perfect cold brew should have a deep, intense flavor, full-bodied, smooth and strong.
This cup ($4.20, which is remarkably low for a cold brew) ticked none of those boxes at all. I couldn't taste any flavor notes at all, it was overly bitter and it tasted really badly diluted/watery to me. I believe it was underextracted (a cold brew should have at least 16 hours of steeping). I was quite disappointed by this cup, an iced Americano might have tasted better. There's an option to add milk into it if that's your thing. Their pastries (especially their chocolate cake) looked quite appetizing though.
3/10