Definitely *do* get an appetizer.
If you really like steak, get the fillet; but if you really like African food, get something else. I see a lot of people here complaining that they thought Jiko was too Americanized but then it turns out they ordered the fillet! I mean, it's very good filet, it's very good mac & cheese; but it is a fillet with mac & cheese.
The pistachio crème brulée over a chocolate base is one of the best desserts anywhere on property.