Wash the vegetables and peel them.
Cut the sweet potatoes, yams, cassava, taro in medium size cubes and set aside.
If using fresh fish or fillet, add 3 cups of water alongside the fish in a pot.Boil for 5 to 10 min then remove from the pot. Transfer the vegetables and meat into the pot. Add enough water to just cover the vegetables. If not using fresh fish, transfer cut vegetables in the pot and add enough water to cover the vegetables.
Blend onions, green onions and garlic.
Add the blended ingredients, fish powder, peanut butter, Maggi cube, salt, palm oil, black pepper and let it cook.
When the water level becomes small, add deboned fish, plantain cut in small cubes and stir. Check the seasoning and rectify if needed.
Cook on low heat until it starts thickening and the oil appears on top.It's ready to be Served!