Suya spice is a versatile spice. Though it is mainly used as a spice rub for meats. You can actually use it on anything you like. Suya Spice is a dry peanut based spice rub used to marinate beef before grilling. If you grew up in Africa. Then Suya spice aka yaji spice would be like second nature to you because suya is one of the most popular street foods in Africa.