Mahabharata 13.68.11

ग्रासमुष्टिं परगवे दद्यात्संवत्सरं तु यःअकृत्वा स्वयमाहारं व्रतं तत्सार्वकामिकम्

grāsamuṣṭiṃ paragave dadyātsaṃvatsaraṃ tu yaḥakṛtvā svayamāhāraṃ vrataṃ tatsārvakāmikam

Our plain-language meaning of this verse is waiting for scholar review.