Berets worn at a jaunty angle, Gaulloise cigarettes hanging from their lips, bicycles smothered in plaited strings of onions – each of which weighed between one and two kilogrammes – French onion ...

Folks from Washington go hard for the Walla Walla sweet onion. In fact, it became the state's official vegetable in 2007. But the beginnings of this particular allium go far beyond the Pacific ...