American Emma Grace and her Memama spurred a new viral trend, creating 'Fluffy Coke' from just two ingredientsThe 'fluffy Coke' recipe people say they simply 'must try'A new drink recipe has taken social media by storm - a sugary take on a regular Coke. Dubbed ‘Fluffy Coke’, the trend sees cola fans slather a glass full of a popular American treat, marshmallow fluff. Starting off you’ll need your pick of cola, whether you’re a Coke or Diet Coke fan. Firstly, Emma explained, you need to spread the marshmallow fluff on the inside of a cup or glass. Emma rated the Fluffy Coke a ten out of ten, with Memama agreeing.