Vaishnava Dharmashastra 90.10

90.10

vaiśākhī viśākhāyutā cet, tasyāṃ brāhmaṇasaptakaṃ kṣaudrayuktais tilaiḥ saṃtarpya dharmarājānaṃ prīṇayitvā pāpebhyaḥ pūto bhavati ||

If on the full moon day of the month Vaisâkha the moon enters the lunar asterism Visâkhâ, and he feeds on that day seven Brâhmanas with sesamum. mixed with honey, in order to please king Dharma, he is purified from his sins.