Wash fish properly with alum or ashes or lemon or hot water to reduce slime.. I pour hot water and let fresh fish sit for a while to enable it stiffen up then I marinate with Cameroon pepper salt fish spice,seasoning onion etc and let it for a while too

Pound uziza seed,ehuru,omuma,uda (optional) den add pepper yellow pepper for hot spicy taste u can add crayfish too if u so wish.. place a clean pot on fire put the marinated fish add water enough for d peppersoup put uyiyak and allow it to boil add ur spices pounded pepper extra onion salt n seasoning to taste. Lastly add ur nchuanwu p.soup is ready