An Asheville area food truck park has a new vendor, giving America "a real taste" of Japanese cuisine.

Walk into any Indian bookshop and you will find shelves groaning under glossy cookbooks. They promise secret family recipes, ancient techniques and lost flavours. Yet, the truth is far more humbling.

Tshephiso Marumo has had success selling traditional village food in Botswana. But as she has risen, she has become more outspoken, inviting backlash. By John Eligon and Yvonne Mooka Visuals by Joao ...