When the Ashvamedhika Parva is reached, agreeable food should be served and when the Ashramavasika is reached, Brahmanas should be served with Havishya.
आश्वमेधिकमासाद्य भोजनं सार्वकामिकम्। तथाऽऽश्रमनिवासे तु हविष्यं भोजयेद् द्विजान्॥