In a pot or pressure cooker, boil cow skin, tripe and beef with salt, seasoning powder and water till tender. Then remove from broth, cut into chunks and set aside.
Using a processor, roughly process onion, tomatoes and bell peppers. Set aside.
Add melon seeds in a blender with some water or broth and blend till completely smooth. Set aside
In a hot pot on medium heat, add palm oil let it heat for 10 seconds, then add onion mix and let it cook for about 10 minutes till oil floats.
Add salt, seasoning powder, whitepepper and crayfish. Stir to combine.
Then add the blended egusi, then stir till properly mixed. Cover the pot and let it cook for about 15 minutes. Keep stirring from time to time so it doesn't burn. NOTE! At this point, you can add broth or water depending on how thick you want it.
After 15 minutes, add chopped greens, smoked fish, boiled proteins and stir till combined. Cook again for another 5 minutes.
Taste to adjust any seasonings, then serve hot with side of choice.