Ramayana
स तु भुक्त्वा मुनिश्रेष्ठस्तदन्नममृतोपमम् । साधु रामेति सम्भाष्य स्वमाश्रममुपागमत् ॥ 7-105-15 ॥
And that best of sages, having eaten that food which was like ambrosia, said "Well done, Rama," and returned to his own hermitage.
english translation