In search of the secret to the bubbles in bubble tea, Kate Quilton visits a cassava farm in Kenya to get to the root of it. Jimmy Doherty is in Somerset exploring why sour milk is sneered at, though soured cream is revered. Plus, Helen Lawal reports from Portugal on canned fish.
+ Episode Program Guide E P G ! !
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+ The gang return for a new run. What's the secret to
+ the bubbles in bubble tea? How come sour milk's bad
+ but soured cream is great? And, from Portugal, the
+ benefits of canned fish.
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