Cassava roots of various shapes and sizes are displayed in a supermarket in Sao Paulo, Brazil. Grown in some 80 countries worldwide and known internationally as yuca, manioc or mogo, cassava has its origins in Brazil. Even now, it remains an important source of carbohydrates, especially among Brazil's working class, who grind it into a rich, nutty flour or deep-fry it into greasy fries. (Andre Penner/AP)
Here & Now's Robin Young talks with food trendologist Kara Nielsen (@TrendologistK) about what food, drink and diet trends we'll be trying in 2019.