Pretty much anything you want to eat (well, anything Kenyan or Western) from pizza to nyama choma is available and cooked passably well here. You may want to avoid the fresh juice as it has tap water added to it.
Raybells
Nyeri
Rayjo’s Café
Samrat Supermarket
Green Hills Hotel
Trout Tree Restaurant
Naro Moru
Barney's Bar & Restaurant
Nanyuki