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You picked up a whole pepperoni stick from the unrefrigerated aisle of the grocery store. Now you’re at home and wondering: should it be put in the fridge, or is the pantry okay? Meanwhile that opened bag of last week’s chopped pepperoni is definitely in the fridge, but you’re not sure how long it will last.<\/p>\n
Does pepperoni need to be refrigerated?<\/strong><\/p>\nShort answer:<\/strong> It depends on which type you have. A whole, unopened pepperoni stick does not require refrigeration before opening. This is a shelf-stable dry-cured sausage that can be stored in a cool, dry pantry for up to 6 weeks. Once opened, it should be refrigerated and used within 3 weeks according to USDA FSIS. Cut pepperoni should be refrigerated at all times, whether opened or not.<\/em><\/p>\nSee the Food Storage Guide for more information on storing deli meats and curated products.<\/p>\n
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key takeaways<\/strong><\/p>\n\nWhole stick, unshelled: no refrigeration required; cool dry pantry up to 6 weeks<\/li>\n Whole sticks, after opening: Must be refrigerated; use within 3 weeks<\/li>\n Shelf-stable shredded bags (Hormel, Signature, Aisle Shelf): No refrigeration before opening; Refrigerate later and use within 21 days<\/li>\n Refrigerated-Section Cut Pepperoni: Always refrigerate; Use within 7 days of opening<\/li>\n Deli-counter chopped: Always refrigerate; Use within 3 to 5 days<\/li>\n Left out more than 2 hours after opening: discard (chopped) or refrigerate immediately (whole stick)<\/li>\n<\/ul>\n<\/div>\nDo whole pepperoni sticks need to be refrigerated?<\/h2>\nNo, not before opening. A whole, intact pepperoni stick is a shelf-stable dry-cured sausage. USDA FSIS defines dried sausage as products preserved by fermentation, curing agents including nitrates, and drying to a specific moisture level that prevents bacteria from growing at room temperature. An unopened whole pepperoni stick can be stored in a cool, dry pantry for up to 6 weeks without any refrigeration. This is why you find whole sticks hanging on unrefrigerated shelves at grocery stores and gas stations.<\/p>\n
Refrigerating an unopened whole stick further extends its life. Kept constantly chilled, an unopened whole stick can last indefinitely according to USDA guidance, although quality is best within 6 months before the fat becomes rancid.<\/p>\n
Once you cut or open the stick, it changes. The cut end is now exposed to air and bacteria. The USDA FSIS says to keep opened hard or dry sausages in the refrigerator and use within 3 weeks. Wrap the cut end tightly in plastic wrap or place it in an airtight bag and place it in the main body of the refrigerator, not in the door.<\/p>\n
Does shelf-stable chopped pepperoni (aisle bag) need to be refrigerated?<\/h2>\nNot before opening. Vacuum-sealed bags of chopped pepperoni sold on non-refrigerated grocery shelves (pizza aisle, snack aisle, or charcuterie section) are shelf-stable products. Brands like Hormel and Signature sell these right in the aisle because the vacuum seal mimics the protection of an intact wrapper while keeping out oxygen and bacteria. Unless you break the seal, there is no need for refrigeration.<\/p>\n
Once opened: According to Hormel’s own FAQ guidance, refrigerate immediately and use within 21 days. One thing to know: These bags often give off a strong, pungent odor when first opened. This is lactic acid released from the fermentation process under vacuum seal. It dissipates within a minute or two and is not an indication that the product has gone bad.<\/p>\n
Does refrigerated-section cut pepperoni need to be refrigerated?<\/h2>\nYes always. Sliced \u200b\u200bpepperoni sold from the refrigerated deli section must be kept cold, whether the package is opened or not. Use within 7 days after opening. Deli-sliced \u200b\u200bpepperoni over the counter has an even worse shelf life: use within 3 to 5 days. Simple rule: Match the storage to where you bought it. Refrigerated section means keep it refrigerated. Aisle shelf means it’s fine until the pantry opens.<\/p>\n