From the American Heart Association cookbook. The book states that if you were a member of the Yoruba tribe in Nigeria, you would make this dish with melon seed and call it Efo Egusi. Efo means spinach and egusi means melon seed. In other parts of West Africa, it is known as Palaver sauce. Whatever its name, this classic African dish is usually a mixture of meat and fish. Here it has a modern addition to the sauce in the form of ginger ale. I haven't made this but I will probably make it on the stove in a Dutch oven or it seems adaptable to the crockpot.