Bacon, in all its crispy glory, is one of those foods we can’t seem to get enough of. Whether you’re stacking it on a burger, wrapping it around asparagus, or just munching on it straight from the pan, bacon is the flavor powerhouse that brings joy to any meal. But like all foods, it doesn’t last forever. And if you’ve ever wondered about how long your bacon can stay in the fridge or if it’s safe to eat after a while, you’re not alone.
This article dives into everything you need to know about sliced bacon, from whether it can go bad to how to store it properly for maximum freshness. If you’re trying to figure out if that pack of sliced bacon you bought a week ago is still good, you’ve come to the right place.
Can Sliced Bacon Go Bad?
In short, yes, sliced bacon can absolutely go bad. Like all perishable food, bacon is vulnerable to spoilage when it’s not stored properly or used within a reasonable time frame. Bacon’s high fat content, which is one of its most beloved qualities, is also what makes it more prone to turning rancid. Fat can oxidize over time, giving bacon a sour or unpleasant odor and taste.
There’s also the issue of bacteria. Once sliced bacon is exposed to air and moisture (even in the fridge), it can become a breeding ground for harmful bacteria like Salmonella or E. coli. These bacteria can multiply quickly if left too long in the wrong conditions, making the bacon unsafe to eat.
Shelf Life For Sliced Bacon

How long can you hang onto that delicious bacon before it’s considered ’expired’? The shelf life of sliced bacon depends on several factors, including whether it’s been opened, whether it’s been cooked, and how it’s stored.
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Unopened, Refrigerated Sliced Bacon
If you’ve bought pre-packaged sliced bacon and it’s still sealed, it typically lasts up to two weeks in the fridge. The packaging will usually have a ’use by’ or ’sell by’ date, but it’s always a good idea to check for freshness as the date approaches. If you want to extend its shelf life, you can freeze unopened bacon, where it will last for up to six months without sacrificing too much quality.
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Opened Sliced Bacon
Once the packaging is opened, sliced bacon has a shorter lifespan. If stored in the fridge, it will last for about 7-10 days. For best results, try to use it within the first week to ensure it’s still safe and tasty.
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Cooked Sliced Bacon
If you’ve already cooked your bacon, it will last for 4-5 days in the fridge. After that, you may notice it starting to lose its texture or flavor. Bacon can be frozen after cooking as well, lasting up to 2-3 months when properly stored.
Common Signs Of Spoilage
Even if your sliced bacon seems fine at first glance, it’s crucial to look out for certain signs that it might be past its prime. Here are some key indicators that your bacon has gone bad:
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Off-Scent
Fresh bacon should have a smoky, salty, savory aroma. If it smells sour, rancid, or like it’s been sitting in your fridge too long, it’s time to toss it.
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Color Change
Sliced bacon that’s spoiled may develop a grayish or greenish tint. Bacon is usually pinkish-red, but as it starts to spoil, you’ll notice color changes due to oxidation. A slight color change can also happen from prolonged exposure to air, but if the bacon looks off or the color is inconsistent, it’s best to discard it.
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Slimy Texture
Fresh bacon should have a smooth, slightly moist texture. If it feels sticky or slimy to the touch, it’s a sign that bacteria have started to grow, and the bacon is no longer safe to eat.
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Mold
Any visible mold on the bacon, particularly on the edges of the slices, is a red flag. While mold can sometimes be scraped off hard cheeses, bacon should be thrown away immediately if mold appears, as it could indicate harmful bacteria are present.
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Sour Or Off Taste
Even if the bacon looks and smells fine, always give it a quick taste. If it has a sour or unpleasant flavor, it’s best not to eat it.
How To Store Sliced Bacon?

Proper storage is the key to prolonging the shelf life of your sliced bacon and preventing it from going bad too quickly. Here are some of the best ways to store sliced bacon:
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In The Original Packaging
If you haven’t opened your sliced bacon yet, it’s best to keep it in its original packaging and store it in the fridge. The vacuum-sealed packaging is designed to keep air out, which helps preserve the bacon for a longer time.
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Use An Airtight Container Or Plastic Wrap
After opening the package, place the bacon in an airtight container or wrap it tightly with plastic wrap. This minimizes exposure to air and moisture, both of which can cause the bacon to spoil quickly. You can also use a resealable plastic bag to help prevent air from getting in.
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Freezing Bacon
If you have more bacon than you can use within a week, freezing it is a great option. To freeze, place slices of bacon on a baking sheet in a single layer and freeze for about 2 hours. Once frozen, transfer the bacon to a freezer-safe bag or container, removing as much air as possible. Frozen bacon can last for up to six months. When you’re ready to use it, just take out what you need and cook directly from frozen or thaw it in the fridge overnight.
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Avoid Storing In The Door
The fridge door is often the warmest part of the refrigerator and can be prone to temperature fluctuations, which makes it an ideal place for bacteria to thrive. Always store bacon on a shelf inside the fridge, not in the door.
Expert Tips
Here are a few expert tips to get the most out of your sliced bacon and avoid spoilage:
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Don’t Overstuff Your Fridge
If your fridge is too full, it can affect air circulation, leading to inconsistent cooling and causing your bacon (and other foods) to spoil faster. Make sure there’s enough space for air to circulate around the bacon.
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Consider Pre-Cooking And Freezing
If you find yourself with a lot of bacon, consider pre-cooking it and freezing it. You can freeze cooked bacon and use it in various dishes like salads, sandwiches, or casseroles without needing to cook it fresh each time.
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Use Bacon Quickly After Opening
Once you’ve opened the pack, don’t wait too long to use the bacon. The fresher you can use it, the better. If you’re unsure whether you’ll use it all, freezing extra slices right away can save you from wasting food.
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Don’t Eat Bacon Past Its Prime
Even if you’ve stored it perfectly, if your bacon smells or looks off, it’s always better to throw it out than risk foodborne illness. It’s a small price to pay for your health!
FAQs
How Long Does Sliced Bacon Last In The Fridge?
Sliced bacon typically lasts for 1 week in the refrigerator if kept properly sealed. It is best stored in its original packaging or in an airtight container to prevent exposure to air, which can accelerate spoilage.
Can Sliced Bacon Go Bad If Not Refrigerated?
Yes, sliced bacon can go bad if left unrefrigerated for an extended period. Bacon is a perishable product and should be refrigerated or frozen immediately after purchase to prevent bacterial growth and spoilage.
How Can I Tell If Sliced Bacon Has Gone Bad?
Signs that sliced bacon has gone bad include a sour or rancid smell, slimy texture, and discoloration (such as a grayish or greenish hue). If any of these signs are present, the bacon should be discarded.
Can Sliced Bacon Be Frozen To Extend Its Shelf Life?
Yes, sliced bacon can be frozen to extend its shelf life. When properly sealed in a freezer-safe bag or container, it can last for up to 6 months in the freezer without a significant loss of quality.
Is It Safe To Eat Bacon Past Its Expiration Date?
If sliced bacon is past its expiration date, it is not necessarily unsafe to eat, but its quality may have deteriorated. Always check for signs of spoilage like unusual odors, discoloration, or texture changes. When in doubt, it’s safer to discard it.
How Long Can Sliced Bacon Sit Out Before It Goes Bad?
Sliced bacon should not be left out at room temperature for more than 2 hours. If it has been left out for longer, bacterial growth may occur, making it unsafe to eat.
Can Sliced Bacon Be Stored In The Freezer In Its Original Packaging?
Yes, sliced bacon can be stored in the freezer in its original packaging, provided that the packaging is intact and airtight. However, for better preservation, it’s advisable to wrap it in additional plastic wrap or aluminum foil before freezing.
What Causes Sliced Bacon To Spoil?
Sliced bacon spoils primarily due to bacterial growth or exposure to air. The high fat content in bacon can become rancid over time, especially when it is not stored properly in a cool, airtight environment.
Can Sliced Bacon Go Bad Even If It’s Vacuum-sealed?
Vacuum-sealing can significantly extend the shelf life of sliced bacon by preventing exposure to oxygen. However, it can still go bad if stored for too long, especially if the vacuum seal is compromised or if it is not kept at the correct temperature.
Can I Cook Bacon That Has Gone Bad?
No, cooking bacon that has gone bad does not make it safe to eat. Once bacon shows signs of spoilage (bad smell, slimy texture, discoloration), it should be discarded, as cooking will not eliminate harmful bacteria or toxins.