It certainly benefited from a viral surge in 2016, when Starbucks Japan released a coffee-jelly frappuccino with cubes of jiggly joe settled at the bottom of the cup. In keeping with the medical ...

First, coffee jelly had to exist ... Today it’s largely unknown in the U.S., though Starbucks Japan has used it in drinks before and it can be found as a topping at some boba tea shops.