Walnuts: Main Image


Like most nuts and seeds, walnuts can be stored in a cool, dark place for several months. Shelled and chopped walnuts can become rancid quickly and should be used within a week or should be refrigerated for up to six months or frozen for up to one year. For long-term storage, it’s best to buy unshelled nuts.

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The information presented in the Food Guide is for informational purposes only and was created by a team of US–registered dietitians and food experts. Consult your doctor, practitioner, and/or pharmacist for any health problem and before using any supplements, making dietary changes, or before making any changes in prescribed medications. Information expires June 2016.