Mudgalapurana 4.2.46

4.2.46

mārgaśīrṣe jalāhāraḥ pauṣe gomūtrabhakṣaṇam |
māghe māsi tilān śuklān phālgune ghṛtaśarkarām ||

in Mārgaśīrṣa, subsistence on water; in Pauṣa, the consumption of cow's urine; / in the month of Māgha, white sesame seeds; in Phālguna, ghee and sugar;