Can you recount the story from Chapter 23 about the Yoga practitioner who came to see Sai Baba for help with meditation?

Certainly. Chapter 23 tells of a practitioner of Yoga (Yogabhyasi) who, despite having thoroughly studied the Yoga Shastras of Patanjali, could not achieve Samadhi (intense meditation) for even a moment. Holding the belief that Sai Baba, as a 'King of Yogis,' could help him, he came for darshan with Nanasaheb Chandorkar. As recounted in this chapter, his intention was to have his doubts removed and attain Samadhi through Baba's grace. However, upon his arrival at the Masjid, the first thing he witnessed was Sai Baba eating bread (bhakar) with onions.