Hong Kong, Sept. 30 -- Have you heard of cloud bread? Fluffy. Soft. Cottony. It's one of the food fads taking social networks by storm in recent weeks. Image: Courtesy @msyan_/Instagram

It consists of a fluffy mass-produced from egg whites that are gently baked in the oven to obtain a kind of 'crumb' that is very frothy and, above all, very colourful. When you tear the bread in half, a rainbow of colours is revealed. Between 'cloud bread' and bread, however, there is much more than one step. Because in cloud bread, flour is absent. The crust? It barely exists. Instead, people talk about the golden finish of this online trend. And last but not least, no yeast or leavening agent goes into it. So, what exactly is this new strange food?

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