Wrap turmeric in a dry paper towel and place inside an unsealed plastic bag in the refrigerator. It will keep for 1 to 2 weeks. If you see any spots of mold, just cut them off, replace the paper towel, and use the remainder. For longer storage, you can slice, wrap, and freeze turmeric for up to 2 months; however, it will lose its firm texture. Use frozen turmeric when a recipe calls for minced or mashed turmeric.
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