Skandapurana 5.264.12

5.264.12

tato visarjya tānviprānbhojanaṃ svayamācaret..
sarvāhāreṇa rājeṃdra paṃcagavyaprapūrvakam..12..

Then, having dismissed those brahmins, he himself should take food, / eating all kinds of food, O best of kings, preceded by the five products of the cow.”