Shiva Purana
अथवा तत्फलावाप्त्यै ब्रह्मचर्यरतो भवेत् ॥ रात्रौ हविष्यमश्नीयात्पायसं वा फलानि वा ॥ १० ॥
Or, for the attainment of the benefit let him be scrupulously celibate, eating only the Haviṣya, milk-pudding or fruits.
english translation
athavA tatphalAvAptyai brahmacaryarato bhavet ॥ rAtrau haviSyamaznIyAtpAyasaM vA phalAni vA ॥ 10 ॥
hk transliteration by Sanscript