Why did Sai Baba show special partiality towards the food brought by Mrs. Khaparde?

Sai Baba's special treatment of Mrs. Khaparde's food offering was a source of wonder for other devotees like Madhavrao. While other offerings, even those on silver plates, were often set aside, Baba would eagerly get up to eat the plate she brought. Chapter 27 explains Baba's reasoning. He revealed that he had a connection with her from her past lives. He recounted her previous births, stating she was once a grocer's cow, then born to a gardener, a Kshatriya, and a grocer's wife before her current birth in a Brahmin family. Seeing her after such a long time, he wanted to eat "two morsels of love" from her offering for his own happiness and satisfaction.