Tess at King Arthur

February 4, 2024 at 10:51am

Because mustard is not a US Top 9 allergen, the farmers and mills are not required to disclose if there is a possibility of cross contamination in the field or in the mill. I'm sorry to hear this isn't the answer that you're looking for. Because we do not test for the presence of mustard in the final product, we cannot guarantee against any cross contamination. 

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