this post was submitted on 04 Aug 2025
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I used to pour it into a glass jar. But these days I'm just using a paper towel or 3 after it dries and chuckin it in the bin.

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[–] bort@piefed.world 101 points 10 months ago (5 children)

Are you renting or do you own?

[–] actionjbone@sh.itjust.works 55 points 10 months ago* (last edited 10 months ago) (7 children)

Depends on what kind of leftover fat.

If frying something in measurable quantities of oil, the oil can be filtered to remove solids, then stored to re-use later.

If cooking something greasy like bacon or sausage, either I'll cook other things in the same pan after, or I'll pour it through a strainer, let it cool, and freeze it. Once I've saved a bunch, I clarify it.

Fat is flavor. In my house, it doesn't get thrown away. There are lots of ways to reuse it.

[–] ObtuseDoorFrame@lemmy.zip 22 points 10 months ago* (last edited 10 months ago) (2 children)

Reusing cooking oil causes cancer. I thought this was wildly known, but I'm consistently surprised at how many people online say things like this.

This is why "drip jars" stopped being used in the 20th century. There used to be one in every house until it was understood it causes stomach cancer.

https://www.adityabirlacapital.com/healthinsurance/active-together/2025/01/27/cooking-oil-and-cancer/

https://www.sfa.gov.sg/food-safety-tips/food-risk-concerns/risk-at-a-glance/reusing-cooking-oils

[–] inconel@lemmy.ca 16 points 10 months ago* (last edited 10 months ago)

But singapore site links USDA q&a on how to reuse it safely and has section for "what you need to do if you reuse oil". They don't particularly advice or encourage single use.

Oil quality is dependent on storage method (strain it with filter, keep airtight non-transparent container etc) and cooking temperature so people need to be informed, but I don't see reusing it once or twice with appropriate care cause significant harm.

[–] TheReanuKeeves@lemmy.world 16 points 10 months ago

That's if you take it beyond the smoke point. Which you wouldn't do if you are trying to avoid free radicals in your food to begin with. Even vegetable oil is extracted through a heating process.

[–] naught101@lemmy.world 14 points 10 months ago (2 children)

Popcorn made in pre-used oil can be awesome, and an easy way to get rid of 100ml or so.

[–] TheReanuKeeves@lemmy.world 20 points 10 months ago* (last edited 10 months ago) (1 children)

Omfg...bacon grease popcorn...I'm about to take 10 years off my life

[–] naught101@lemmy.world 5 points 10 months ago

Hell yea. I used some oil recently that had be used to good something (IDK.. housemate food) with heaps of curry powder flavours and some chilli. That was awesome.

[–] WoodScientist@lemmy.world 5 points 10 months ago (2 children)

Popcorn made in pre-used oil can be awesome, and an easy way to get rid of 100ml or so.

Then there was that time in college I tried to re-use oil I had previously fried shrimp in.

Turns out shrimp-flavored popcorn is not an enjoyable experience!

[–] theherk@lemmy.world 7 points 10 months ago

Some lessons only take once to cement the learning for a lifetime.

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[–] wesker@lemmy.sdf.org 32 points 10 months ago

Wipe with paper towel, toss in trash.

[–] sbv@sh.itjust.works 26 points 10 months ago

I let it cool off and then scrape it into the trash/compost. Sometimes I use a paper towel, sometimes I just scrape it.

[–] Drusas@fedia.io 20 points 10 months ago (1 children)
[–] Zephorah@discuss.online 5 points 10 months ago (2 children)
[–] theherk@lemmy.world 4 points 10 months ago

Not all oil is salty. I suppose there are probably pros and cons to composting it, but I'd expect it to draw pests like crazy.

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[–] jet@hackertalks.com 14 points 10 months ago (2 children)

Depends how much is left. Alot then filter and jar. A little then paper towel and trash.

[–] fartsparkles@lemmy.world 21 points 10 months ago (1 children)
[–] jet@hackertalks.com 6 points 10 months ago* (last edited 10 months ago) (1 children)

Uwu, its sooooooo cut. They're magestic horns; and the lux fur, et al. Their snaggle teeth, that pacific one, is just hte peice of resistance!

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[–] phonics@lemmy.world 6 points 10 months ago (1 children)

A filter? What you doing with the filter?

[–] jet@hackertalks.com 14 points 10 months ago (2 children)

Filtering out any chunky bits from the cooking so it doesn't go back into the fat jar

[–] phonics@lemmy.world 4 points 10 months ago

Oh you are reusing the fat in the jar.

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[–] omgboom@lemmy.dbzer0.com 14 points 10 months ago (1 children)
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[–] ChicoSuave@lemmy.world 14 points 10 months ago (1 children)

If it cools into a solid fat then it goes in a bowl and put it outside for wildlife to enjoy some easy calories. A trail cam and some time has given me a good chunk of backyard nocturnal drama, like the falling out of two tomcats.

Liquid fat/oil is used to re-season pans or soaked up with a paper towel and dumped.

[–] garbagebagel@lemmy.world 5 points 10 months ago

Man, living in a house sounds so cool sometimes πŸ₯²

[–] BlameTheAntifa@lemmy.world 13 points 10 months ago

You can compost it if you aren’t generating huge amounts. Mix it with something absorbent like sawdust or used coffee grounds and mix into a composter, and add extra β€œgreen material” like leaves or lawn clippings.

[–] jbk@discuss.tchncs.de 13 points 10 months ago (2 children)

Our city's trash disposal also provides free plastic buckets for cooking oil. I try to use that as often as possible. I love it

[–] phonics@lemmy.world 6 points 10 months ago

Oh that's cool actually. I hadn't heard of that before.

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[–] Onomatopoeia@lemmy.cafe 8 points 10 months ago* (last edited 10 months ago)

Other than pan frying something like chicken, I don't really have "leftover fat".

Bacon - ya pour that right into the bacon fat container that has its own strainer.

Most other recipes the fat is part of the dish. As someone else commented - fat is flavor. Say you brown chicken parts for something like Gumbo, the next thing in the pan will be vegetables that get glazed, and you're gonna need a fat for that which is already there in the pan.

[–] Zephorah@discuss.online 7 points 10 months ago (1 children)

I use an iron skillet for most things, it gets cleaned then takes up real estate on a stove burner until the next day.

Most of the time it’s just enough oil to sear things. Salmon. The white meat chicken with a bacon iron on top. Each needs some oil for Maillard rxn on the hot iron and non-stick, in addition to flavor and moistness.

It’s liquid at room temp. It’s minimal. When the pan is cool enough, a dollop of dawn, a light abrasive without a lot of pressure (it’s a tactile thing, cast iron people know) and the soap slurry goes right down the drain. I’ve owned for 25 yrs, no issues.

(Because someone is about to start text screaming: If it’s a new cure or a cure done in 1-2 layers or a weaker fat, any abrasive or cleaning will likely kill it. I use lard for my cures while lightly washing with hot soapy water in between. 5 layers/rounds of cure. Then oil it after each use for the first month post new cure. Then, it’s solid, just wash and dry, and you can use a light abrasive. We have a 12, a 10, three 8s, and three 5s in circulation.)

Now, if I make Pho, I’m not skimming the beef tallow/oil off into the sink. I wait for the broth to cool, crack the disc of solid lard off the top, and drop it in the trash.

Popcorn pan, sink. Salmon in the pan, sink. Dark meat chicken in the pan, cool and scrape those solids into the trash.

It’s about amount and what it does at room temp.

[–] KittenBiscuits@lemmy.today 6 points 10 months ago (5 children)

I respect that you were brave enough to admit on the internet to using a little soap now and again with your cast iron. It took me about a year after I rehabbed mom's pans to work up the courage to gently swipe a little soap on them now and again. They still get dried in the oven and moisturized with avocado oil. Mah bebes.

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[–] paequ2@lemmy.today 7 points 10 months ago* (last edited 10 months ago) (2 children)

I currently use (probably too many) paper towels to absorb the oil and then toss them into the trash can. I'm not happy with this solution, but I don't want to pour it down the drain.

I found this the other day https://fryaway.co/ but I haven't tried it yet. It's supposed to make the oil solid so you can more easily toss it.

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[–] mechoman444@lemmy.world 7 points 10 months ago (1 children)

What I totally don't ever do under any circumstance at anytime for any reason even though it's super convenient and easy is pour it down the sink. Yes sir. That's not something I ever, ever do! Wouldn't it be crazy if I did? Omg. So crazy!

[–] Maestro@fedia.io 4 points 10 months ago

Yes, so crazy. You don't want to cause a fatberg the size of a bus

[–] Nemo@slrpnk.net 6 points 10 months ago (3 children)

Left... over?

If I'm deepfrying, I set it aside and reuse it.

If I cooked something like bacon that gave off fat, I save it and use it to cook other things later.

If I was sautΓ©ing something, I used the correct amount of oil and there's none left over.

If I was roasting something, I turn the pan drippings into a sauce.

I will say, if you're having this problem a lot cooking meat, you're probably not trimming the cuts properly before cooking. Trim those and throw the scraps in the freezer until the next time you make stock.

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[–] victorz@lemmy.world 5 points 10 months ago

I usually just pour it over the rice or macaroni or whatever, to consume whatever little is there, so as not to waste it, and for flavor.

I try to fry stuff in tallow as well, which is a lot nicer IMO.

[–] spankmonkey@lemmy.world 5 points 10 months ago (1 children)

If I want to keep the fat, like from bacon, then I strain it through cheesecloth into a small jar and use it occasionally.

If I don't want it, then if it gets solid at room temp it gets to cool and be scraped into the bin. If it is a liquid at room temp it goes into a ziplock bag or something to keep it from leaking.

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[–] fodor@lemmy.zip 5 points 10 months ago (1 children)

Stopped deep frying. Partly for health and partly out of laziness.

[–] phonics@lemmy.world 5 points 10 months ago (1 children)

I was talking about just in your pan. Like after bacon or whatever

[–] throbbing_banjo@lemmy.world 5 points 10 months ago

Save your bacon fat in a jar, it's clutch. You can do the same with beef tallow. Need to saute some onions for rice and beans? Bam, fry them in bacon fat. Stew recipe calls for vegetable oil to saute your carrots? Fuck that, tallow it. Some traditions exists because they work.

[–] seathru@lemmy.sdf.org 5 points 10 months ago (4 children)

Straight down the sink. It's a rental.

[–] deadbeef79000@lemmy.nz 38 points 10 months ago

It's not only the rental's pipes that suffer from fat buildup. It's the entire city's pipes.

[–] 474D@lemmy.world 19 points 10 months ago

You might be surprised to learn that those pipes connect to your entire community and you're being a dick to all of them instead of doing the bare minimum of effort

[–] A_Union_of_Kobolds@lemmy.world 8 points 10 months ago (4 children)

There are better ways to sabotage a rental without screwing with the rest of the plumbing system

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[–] MadMadBunny@lemmy.ca 6 points 10 months ago

What the fuck

[–] QuarterSwede@lemmy.world 4 points 10 months ago

Other than saving it for use later when possible, we let it solidify and scrap it into the trash.

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