- Plain peanut butter and jam on white bread and a banana. My Nigerian touch comes in the form of a handful of tiger nuts aka Ofio (if you are Igbo) aka Aya (if your people are Hausa) aka Imumu (if you are Yoruba like me). According to my research, tiger nuts are not nuts (Who know) they are tubers. They are also incredibly healthy and my bestest discovery of the day, they are Kunnu is made off. Learning never tasted so good.