Hello, after peeling, put it in water to dilute the mucus, also to prevent oxidation. It's best to wash it before cutting it. You can put some vinegar in the water. If you fry yam, add salt when it is almost cooked. If it is the kind of yam that turns red before peeling, it will generally be a little black when fried. Choose a relatively strong yam with no rot on the surface. Ask me if you don't understand.