First wash your your sweet potatoes and boil, Then set aside. I love boiling with the back then peel after cook

Wash and blend your pepper with little onions,boil till water dry

Put pot on gas, add in groundnut oil let it heat for minute and add the remaining chop onion saute a little and add in the bonga fish and fry to your desire

Add in the boil grinding pepper let it fry and ass the cubes and salt. Taste and adjust then let it steam till the oil start floating on it. Off the gas and served with your cook sweet potatoes.