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Trader Joes peanut butter, which was recalled when the peanut plant it was produced in had a salmonella outbreak.

If you've had the munchies lately, you may have noticed that some of your favorite organic peanut butters are still missing from the grocery store. As it turns out, that could very well be the case for months to come.

That's because this week, the largest processor of organic peanut butter in the U.S. had its facilities shut down and its food-processing license revoked by the FDA.

This was after 41 cases of salmonella sickness were tied to contaminated peanut products from the plant.

Here to talk about the shutdown is Marion Nestle, professor of food politics at NYU.