For the white Yam:- Feel ur yam and slice it to ur desired shape, wash it and put it a pot add some water and a pinch of salt,cover it, put it on fire until it's well cooked (if u like u can add some little sugar for more test)

Placed ur pot on fire add some groundnut oil, Add ur slice onions, pepper, tomatoes, keep turning for 1 minutes, add ur seasonings and cover it to cook for some minutes

When it's done serve an enjoy 😍😍