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We’re making some short ribs, and noticed this weird pattern on the bone side of some of the ribs. What is this, and is it safe to eat?

As a side note, there is some silver skin on the other side of some of these ribs, but this pattern is distinct.


Its ink from a USDA meat inspection mark. The ink is non-toxic so it's safe to eat, just ugly.

  • 1
    Really? Seems like a very large and oddly shaped stamp! – Behacad Feb 7 '18 at 14:20

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