Some of the famous popular vegan foods in my country are: Okra, eggplant, tomato, potato, broadbean, bean, squash, pumpkin and rice. All these crops enter in preparing the most popular foods.
The most popular food in Nigeria is rice - jollof, stew, fried - any kind. Then, foo-foo with varieties of soup - egusi, draw, okra, ewedu, edika ikong etc.
Actually Turkish couisine is mostly vegan, especially cold dishes (meze) pilav (rice) hummus and vegetable dishes. As a vegan I enjoy them. Here are some examples