Why have so few African cuisines made it onto the world’s culinary stage? Whether it's Michelin stars, popular restaurant chains, or even takeaways and street food, the continent’s gastronomy isn’t anywhere near as prominent as Chinese, Italian or Indian in many parts of the globe. Emily Thomas talks to chefs from Nigeria, Senegal and Eritrea to hear what they think is holding their food back from achieving global prominence - is it economics, culture or taste? And what can be done about it? (Photo: Senegalese chef Pierre Thiam displays his food in New York City. Credit: Getty Images)