Complete Guide to Rendering Lard

Last Updated on November 23, 2024 by Michelle

Rendering lard from pigs? It’s way easier than I imagined and produces much more amazingness than I ever knew.

When we brought home our first pigs, I was in it just for the bacon. (Read here for the 6 Things You Need to Know if You’ll be Raising Pigs on Pasture And check out the full scoop about Processing Pigs at Home.)

After stocking our freezers that first fall, I quickly realized there were so many wonderful cuts of pork that I am a huge fan of. In fact, the pork steak and ground pork and juicy pork chops all stand above even the delicious bacon in my mind.

Oh, and the lard. I might possibly agree to raising pigs if all I got out of it was the lard, guys.

Are There Different Kinds of Pork Lard?

While there are 3 varieties of lard that you can source from a pig (go here for the nitty-gritty on the 3 Types of Pork Lard), this article will just talk about two of them, the two that are processed the exact same way. I do store them and use them differently though, but more on that later.

Can You Cook with Lard?

I cook with lard daily. It doesn’t smoke at high temperatures, so it’s perfect for frying. Not to mention the fact that veggies roasted in lard come out wonderfully crisp and delicious. Usually my choice of lard for oiling my skillet is a spoonful out of the jar of lard that sits by my stove.

Can you Bake with Lard?

Lard is amazingly wonderful for baking. It inhibits the formation of gluten, making it the Holy Grail of fat if you’re trying to achieve perfection in a flaky pastry or pie crust. And it has these mammoth size fat crystals that also make it almost impossible to not nail the best biscuits.

For baking (like these amazing chocolate chip cookies made with lard) I use bars of lard out of my freezer. I explain more about how I use all 3 different types of pork lard in this article.

How do you render lard?

While there are 3 types of pork lard, only 2 of them need to be rendered: back fat and leaf fat. While these two types of fat are slightly different, I follow the exact same steps to render them down to lard.

  1. Remove skin (from back fat) or outer membrane (on leaf fat), unless the butcher did this for you. I find this step and the next one are easiest to do when the fat is mostly frozen, but slightly thawed. With back fat, I will make a few cuts, dividing the strip into 2-3″ long chunks, then remove each chunk from the skin. This is more manageable than trying to remove the full piece of skin in one slice.
  2. Cut any larger pieces of fat into smaller chunks, maybe 2 or 3 inches long.
  3. Fill a large stock pot with your chunks of fat. (My stock pot is a 12 quarts.)
  4. Turn the burner on medium to medium low. (I had read that rendering needs to happen at the lowest temperature possible, so my first attempt at rendering lard i kept the burner on its lowest setting. Two hours later I had about 1 inch of liquid fat in the bottom of my pan. It should never take that long, my friends, and there’s no need for it to. Instead, I find it best to monitor the temperature of the liquid lard and keep it at a nice steady temperature of 220 the entire time.)
  5. Monitor your pot by setting an alarm for every 30-40 minutes and checking it each time the alarm goes off. Stir the chunks of fat and check to see that the temperature of the liquid fat is in the 220 range every time the timer goes off.
  6. When you have mainly liquid, with large and small chunks floating on top, use a large slotted spoon to scoop out the pieces of fat.
  7. Carefully pour the liquid lard from your stock pot into a strainer, draped with a thin towel, resting on large bowl.
  8. Carefully adjust your towel, so fresh fabric is covering the strainer, and move your strainer to another large bowl.
  9. Pour strained liquid fat from the first bowl into the second, straining it a second time (after placing chunks in pan of rejects). The more effectively you strain your lard the better tasting (aka not “porky” tasting) it will be.
  10. Pour the strained lard into clean, sanitized jars or molds. I use these molds and find there’s no need to grease them.
  11. IF USING MOLDS: Freeze lard in molds for about 1 hr 15 minutes then pop out and store in freezer-safe container in freezer for years, taking out as needed to replace a stick of butter in baking.
  12. IF USING MASON JARS: wipe rim of jar after filling with liquid lard and place canning lid on with rim, fingertip tight. Within a few hours, the liquid golden fat will turn spreadable-solid and white. The lid should be sealed and you can store your jars of lard in a cool, dark place for years.

NOTES about rendering lard:

  • A thermometer like this is invaluable to help you easily monitor the temperature of the liquid and keep consistently around 220-225.
  • The chunks of fat that are removed can be cooked into cracklins. I will separate the large pieces to give to our chickens or keep in the freezer as very special dog treats. And the smaller ones become delicious cracklins for my salads in the upcoming week or I use them to make cracklin bread (by substituting cracklins for bacon).
  • Using a 12-quart stock pot filled with pork fat, with 3 sets of these molds, I find I need to do this step in thirds. While the first batch of 12 sticks is in the freezer, I kept remaining lard on burner, keeping at 220-ish. I find it takes 1 hr and 15 minutes for the lard sticks to fully freeze in these molds.
  • Using a 12-quart stock pot filled with leaf fat yields 36 bars (9 pounds) of lard “butter” a few cups of cracklins, and a 1/2 gallon ziploc bag of cracklins (larger, that i didn’t get crispy, just cooked)
  • To release lard sticks from molds, I press each section of the mold from the bottom, turning it almost inside out as the stick pops out.
  • While both back fat and leaf fat render into wonderful lards, the leaf lard is considered the creme de la creme. It’s purer, never pork tasting, and a blinding white color. In the picture below you can see the yellow tint to the back fat lard vs. the stark white of the leaf lard.

But is Lard Good for you in your Daily Diet?

Yes! Lard is truly a good, healthy, natural fat, loaded with reasons to include it in your diet, but the best reason may be that it’s far superior to the alternative of hydrogenated fats found in all processed foods (or… dare I even say the words… margarine, seed oils, or shortening). More about Why You Should Bake With Lard here.

Is There Any Lard that Doesn’t Have to be Rendered?

You can purchase already-rendered lard from a local pig farmer or reputable online sources (see some below) but never waste your money on the “lard” you can find at the traditional grocery store that has been hydrogenated.

There is also one type of lard–the membrane that surrounds the pig’s stomach–that does not have to be rendered. Read more about caul fat here and check out this video as well:

 

All Your Questions About Rendering Lard

Can I render lard in a crock pot?

Absolutely. I prefer to closely monitor the temperature by using a stock pot on the stove. This creates the purest, whitest lard for me (for back fat as well as leaf fat). But I have used a crock pot with fine success as well. The important thing is to use a low heat and stir it pretty often.

Can I render lard in the oven?

Absolutely. I find that using a stock pot on the stove creates the purest, whitest lard for me (for back fat as well as leaf fat), but there’s no reason to not use the oven instead.

How long does it take to render lard?

There are many variables, but expect it to take most of your day. I tend to start my lard rendering in the morning and am finishing up after dark. While you need to be home and able to check in on the temperature and stir your rendering lard every 30-60 minutes, it is very easy and not time consuming.

What are the benefits of rendering lard?

I think the best benefit of rendering lard is the fact that you can bake with lard. And it’s a fantastic oil choice for cooking on the stove top, since it has such a high smoke point. It’s ideal for all of your high-heat cooking.

Will I mess up if I choose the wrong method (crock pot/oven/stove)? Or the wrong pan?

I highly doubt you will mess anything up. The important thing is to render your lard on low heat and stir it pretty often. You got this.

Is it okay that my lard is changing color in the pan?

As pork fats warm, they turn color (no they’re not burning) and start to smell a little “piggy.” You’re not doing anything wrong.

Should I render on the absolute lowest setting possible?

No. I tried this once and it took forever and a day! Instead, monitor the temperature of your liquid fat with a thermometer like this. Keep your liquid at around 220-225 degrees.

Can I take my lard off the heat and resume the rendering hours later if I need to?

Yes! It’s totally fine to pull your partially rendered lard off the stove while you go run an errand or do a farm chore you have to do. If you can cover it and keep it somewhat warm you’ll save time, since it will solidify if you let it totally cool. The photo below is a pot of lard that I did let totally cool before I reheated it and finished rendering it. (The cracklins are covering the top.)

Do the floating chunks at the end have to be tiny pieces before it’s “done”?

No, often my cracklins are 1/4-inch chunks or sometimes larger… the size of salad croutons. But sometimes I’ll process the fat in giant strips (without cutting them up) and my cracklings at the end will be giant size. It’s more productive to start with small pieces of fat, but some days you gotta choose the easier route. My point is that the size of your cracklings at the end is determined by the size of your chunks of fat that you start with.

What’s the difference in lard and tallow?

The main difference in lard and tallow? The fact that lard is sourced from pigs and tallow from cows.

But my good friend, RuthAnn Zimmerman, and I take a deep dive into this very topic right here and explore all kinds of details about both lard and tallow: Good Fats, S7 Episode 4 of the Simple Doesn’t Mean Easy podcast

And listen in to this additional episode on my podcast for more thoughts on why food changed, why we were fed so many lies (like “animal fat is bad for us”), and why we bought into the lie: Why we’ve bought into the lie (S3, Episode 2)

 

What’s better… lard or butter?

Both butter and lard are excellent choices of fats.

Butter may wind up making some recipes seem oilier in the end, since butter separates when you heat it, into oil and milk. This, btw, is also why you have to keep a nice distance between cookies on the tray that are made with butter. Lard, on the other hand, remains intact when melted. So cookies made with lard don’t flatten and meld into one another on the hot tray.

Butter will also be slightly harder once it has cooled down, while lard tends to keep your foods a little softer. This is why I love making Chocolate Chip Cookies with Lard.

Can it really be used in place of butter?

Yep. I make grilled cheese by slathering the outside of each piece of bread with lard instead of butter.

Does lard taste like bacon?

Lard is not bacon grease, but I do always have a jar of that in my fridge as well. But lard–especially if it’s the purer leaf fat and especially if it’s been rendered at a low temperature over a long period of time–will not taste like bacon.

What are some other great fats to use in the kitchen?

I love using avocado oil in all the ways I used to use seed oils. It’s NOT hydrogenated and there’s never a hint of unusual avocado flavor if you are sourcing your oil from a reputable source. But be careful, only about 20% of avocado oil that you can buy is what it claims to be (read about that here). That’s why I stick with this avocado oil, from Azure Standard. They insist on the purity of their oils; whether avocado or olive. They know the suppliers, make detailed review the oils and require certificates of analysis for their avocado oil. Find out if Azure delivers near you right here.
Palm oil is extracted from the pulp of the palm tree fruit. It has no hydrogenated oils, no trans fat, and no chemical substances but it can be used in place of butter. To replace 1 cup of butter, use 1 cup of this natural shortening plus 2 Tbsp water. Find out if Azure delivers near you right here.

Can you Buy Good Lard?

You can absolutely source good lard, either as fat that you can render down yourself, or as already rendered lard. Here are some tips:

  1. If you live in New England and would like to purchase a whole or half a pig, I would love to chat about how our family farm can help you load your freezer next fall (with amazing pig fat as well as delicious pasture-raised meat). We keep a waiting list, and I am always happy to meet new customers and expand our plans for next year, to make sure your family enjoys high-quality meat next year if I can’t help you today. To message me, hop over to instagram or send an email to michelle(dot)visser(at)outlook(dot)com.
  2. Find local pig farmers and ask around until you can hopefully find one who either sells lard they have rendered or maybe the raw fat which you can then render yourself. (Or just store away until you use it, in the case of caul fat.)
  3. Go to eatwild.com and search for a pig farm near you.
  4. Order online. Seriously. You can purchase this amazing fat, ready to use, and skipped to your door:

Caul fat

Lard made from back fat

Lard made from the inner, leaf fat 

Items I Use Every time I Render Lard:

Talk to me!

If you have any questions, leave a comment below. And please tag me on ig to show me your amazing lard @souly.rested.

More Information on This Topic:

3 Types of Pork Lard — everything you need to know about each one.\

How to bake with lard

Make Delicious Chocolate Chip Cookies with Lard

How I Use Caul Fat (video)

5 Reasons I Don’t Buy Meat at the Grocery Store

Tools I Wouldn’t Want to be Without in my Farmhouse Kitchen

 


“He satisfies the thirsty and fills the hungry with good things.” Psalm 107:9


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28 thoughts on “Complete Guide to Rendering Lard”

  1. This is my first time rendering the fat off Boston Butts. There is clear golden layer at the bottom of several of my lard jars. Do you know what this is? What did I do wrong? Is it safe to leave it?

    1. I’m definitely not an expert and this has never happened to me after I rendered, but I have rendered fat from actual cuts of meat before. My technique is to: 1. Trim most of the fat off the meat before cooking it. 2. Slowly cook the trimmings in a saucepan or appropriately sized-pot (you will be adding some water to this, I like to add about 1 cup of water to my smallest pot with about a quart [4 cups] of fat) until all the fat has melted, adding any extra fat from the cooked meat, doesn’t mtter if it’s been seasoned or not. Once it’s all melted, remove any large solids from the large. I usually use a metal strainer. 3. This is the cleaning step. You add water (because you slowly cooked the fat, it’s not that hot, so it won’t splatter) and a pinch or two of salt. Boil it for a few minutes. I pour the fat+water into a bowl and let it condense overnight but the important thing is that it needs to become solid. Once it’s solid, you carefully flip the fat out, pour out the salt water which might turn red or yellow, and carefully scrap off any bits on the bottom of the fat. Repeat the boiling with salt water, condensing, and scraping until the there aren’t any more things the scrap off and the water is completely clear. The salt water will take the impurities out of the fat. This is how I’ve cleaned bacon grease to a neutral lard before.

      What sounds like has happened with your lard is that there were some impurities that didn’t get removed. If you’ve kept this in the fridge and it smells fine, I’d be fine with doing step 3 and then eating it. If you haven’t refridgerated it or it doesn’t smell ok, I’d still do step 3 but then I’d use it in a way that doesn’t include eating it (soap/candles/skincare/haircare etc).

      1. One thing I’ve done is to strain the initial rendered fat into a mason jar and after letting it cool, I seal it tightly and then set it in the fridge upside-down. This way that stuff at the bottom that Victoria mentions ends up on the top of the jar when you turn it back over.

        I’ve always rendered by fat with a fair amount of water to keep it from burning on the bottom. I give it all the time it needs at just over boiling. The water slowly evaporates…and you can tell by listening and looking when your bubbles are coming from the oil and not the lightly boiling water.

  2. My butcher ground the back fat and leaf fat together. I rendered it slowly, stirring often and strained with cheesecloth. It is pretty white. Is this okay to bake with?

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  5. Thanks for all the great info! I rendered leaf fat and back fat yesterday. The leaf fat is solid but the jars of back fat are still liquid. I left them out overnight. Any ideas why they didn’t harden and if they are safe to use?

    1. oh thats such a bummer! My best guess is there was some slight “contaminant”…something that differed from your two kinds of fat. Did you render them down in 2 different pans, i assume? Could one pan have had some little bit of reside or food or oil in it? Or maybe the jars weren’t sanitized? But I’d assume you used all the same batch of jars or containers? The only time I had that happen with one batch of lard I decided was because my daughter left a little reside of something in the cooking pan that we used. I wound up storing those 5 jars that didn’t set well in the fridge and used them directly out of the fridge. It was a big pain though taking up the fridge space until we got through them.

      1. Thank you for the reply. When I got home yesterday, all the jars in the fridge had solidified. They aren’t as solid as tallow, more like room temp bacon grease. I don’t think any of my equipment was contaminated. I read somewhere else that the breed of pig and obviously, their diet will play a part in the consistency of the lard. I’m going to store them in the freezer for the long term and assume all it’s all good😊 Thank you again!

        1. I meant to add that I did render the leaf fat separately from the back fat and I used my crockpot along with a stainless steel pan in the oven.

        2. interesting that maybe the breed or their diet impacts it… but that wouldn’t have been the case for our one batch that had a problem, all the rest from our pigs have set beautifully. Yes, the consistency you describe was how ours set in the fridge as well.

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