Mahabharata 3.31.12

आरण्यकेभ्यो लौहानि भाजनानि प्रयच्छसिनादेयं ब्राह्मणेभ्यस्ते गृहे किंचन विद्यते

āraṇyakebhyo lauhāni bhājanāni prayacchasinādeyaṃ brāhmaṇebhyaste gṛhe kiṃcana vidyate

Our plain-language meaning of this verse is waiting for scholar review.