Could you recount the story of how Sai Baba fulfilled a devotee's unspoken desire for a particular food item?

Certainly. Chapter 28 of the Sai Satcharitra narrates a beautiful leela concerning the devotee Laxmichand. Baba first instructed him to bring a plate full of 'khaja' as a food offering, or naivedya. Later, after the afternoon arati, Laxmichand found himself extremely hungry and in pain. At that very moment, Baba announced to his devotees, 'Today is an auspicious day; I feel like having khaja prasad.' He even acknowledged Laxmichand's condition by saying his hunger was good and that there should be medicine for his back pain. This act not only satisfied Laxmichand's physical hunger but also fulfilled his unexpressed longing, showcasing Baba's omniscience and care.