How Long Does Pepperoni Last After Opening?
USDA recommends refrigerating opened hard or dry pepperoni for up to 3 weeks. Hormel gives its pepperoni 21 days after opening or the printed expiration date, whichever comes first. Follow a shorter instruction on your own pack and keep refrigerated products at 40°F (4°C) or below.
Quick answer
A sealed packet is not automatically suitable for a cupboard. Keep a product marked keep refrigerated cold from purchase. Use pantry storage only when the specific product permits it, and follow its date. USDA's whole, unopened dry-sausage guidance does not apply to every sliced pack or deli product.
Follow the original package date; purchase does not start a fresh shelf life.
Refrigerate opened pepperoni in a closed pack or covered container at 40°F (4°C) or below. USDA recommends 3 weeks for opened hard or dry sausage. Hormel's instruction is 21 days from opening or its printed expiration date, whichever comes first. Use any shorter direction on your specific package.
Count from the first opening, not the last serving or the day it was moved to another container.
Freeze properly handled pepperoni before its applicable refrigerator period ends, using sealed freezer packaging. USDA's general sausage recommendation is 1–2 months at 0°F (−18°C) or below for best quality. Continuous freezing is not a way to make previously mishandled food safe.
Label the freezing date and retain the earlier opening and storage history.
For pepperoni that requires refrigeration, discard it after more than 2 hours at room temperature, or 1 hour if the temperature exceeds 90°F (32°C). This includes an opened pack labeled refrigerate after opening. Returning it to the fridge does not undo the warm exposure.
Count time outside safe cold storage; a new container does not erase earlier exposure.
Discard immediately if
- Discard pepperoni with suspicious mold, slime or an unusual odor; do not taste it to check.
- Discard a product requiring refrigeration if it was left out for more than 2 hours, or 1 hour above 90°F (32°C).
- A normal smell and appearance do not prove safety or override an unsafe storage history.
Why guidance varies
This guide covers commercial pepperoni, including dry sticks and sliced packs. Shelf-stable and keep-refrigerated products need different handling before opening. Follow the specific package; guidance for a dry sausage does not establish the storage life of deli-sliced meat, homemade sausage or pepperoni pizza.
Save the date when you open the bag
The printed date may be on the strip you tear away. Photograph it or copy it onto the storage container alongside the first-opening date. Keep the old and new packs separate so the older slices remain identifiable. Take out the amount needed for a pizza or snack and return the rest to cold storage promptly. These habits make the package instructions usable without extending them.
Buy and freeze portions that match your pizza plans
A large bag can be economical only if you use it within its directions. If you will need just a few slices each week, divide a fresh, safely handled pack into meal-size freezer portions instead of repeatedly handling the whole bag. Protect the portions from air and mark their dates. Freezer burn affects quality, but freezing cannot repair unsafe handling before the food went into the freezer.
Match the product state, storage conditions and source clock above. This guide does not provide an automatic expiry timer.
Frequently asked questions
Does pepperoni need to be refrigerated?
Follow the label. Keep-refrigerated products need cold storage even while sealed. Hormel specifically requires refrigeration after opening its pepperoni; an unopened shelf-stable pack and an opened pack are different situations.
How long does opened pepperoni last in the fridge?
USDA recommends 3 weeks for opened hard or dry sausage such as pepperoni. For Hormel pepperoni, use 21 days after opening or the printed expiration date, whichever comes first. Keep it at 40°F (4°C) or below and follow a shorter package direction.
Can you freeze pepperoni slices?
Yes. Freeze properly handled slices in sealed portions before their refrigerated storage period ends. USDA recommends 1–2 months for best sausage quality at 0°F (−18°C) or below; this is not a frozen-food safety deadline.
Can I eat pepperoni left out overnight?
Discard an opened pack or other pepperoni requiring refrigeration if it was left out overnight. FDA's limit is 2 hours, or 1 hour above 90°F (32°C). An intact pack whose label permits room-temperature storage is a separate case.
Does pepperoni pizza keep for three weeks too?
No. The dry-sausage guidance does not apply to cooked pizza, sandwiches or mixed dishes. Follow the storage guidance for the finished meal; putting pepperoni on a pizza does not extend the meal's life.
Sources for this answer
- B Hormel — Pepperoni after opening — For HORMEL pepperoni, the maker directs consumption within 21 days after opening or by the expiration date; the FAQ does not classify that endpoint as a safety cutoff.
- B Hormel — Refrigeration of pepperoni — HORMEL pepperoni requires refrigeration after opening.
- A USDA FSIS — Storage times for sausages — USDA identifies pepperoni as an example of hard or dry sausage and recommends refrigeration for 3 weeks after opening; its whole, unopened dry-sausage advice is a separate state.
- A USDA FSIS — Freezing sausage — USDA gives 1–2 months at 0°F or below for best sausage quality; that freezer interval is not a safety deadline.
- A FDA — Are You Storing Food Safely? — Keep refrigerated foods at 40°F or below, follow label directions, keep foods covered and observe the 2-hour rule (1 hour above 90°F). Proper freezing preserves safety but does not kill most bacteria; normal appearance or smell cannot prove safety.