Matsya Purana 265.51

265.51

balistrisandhyaṃ dātavyo bhūtebhyaḥ sarvato diśam.
brāhmaṇān bhojayet pūrvaṃ śeṣān varṇāṃstu kāmataḥ .. 265.50

Offerings should be made to the Bhûtas in all the three parts of the day The Brahmans should be fed first and afterwards the members of all the castes are to be fed—50