September 21, 2012

How to Cure Olives




The bright green olives arrived in a box.  Super Colosal Sevillanos from California, just picked.  Fresh olives are in season in the fall and are available to purchase online if you don't happen to live near an olive grove.  This is a fun project you can do with your whole family.




What surprised me most was how lovely and bright green these olives were. So tempting. 
But olives must be "cured" in order to remove the extreme bitterness. After doing some research, I found a way that would leave the olive bright green much like the popular castlevatrano olive. Mild, fruity, bright, buttery and lightly salted.  The difficult part was getting my head around it.



It involves lye.

The scariest part of using lye is actually buying it from the hardware store.  It's generally sold as drain opener.  Just make sure before you purchase a bottle of lye, that it contains 100% lye (100% sodium hydroxide) and no other additives.




It sounds very intimidating but is actually quite simple.  If you are skeptical about lye, I highly recommend you read this.  It is surprising how much it has been used to preserve food over the years.

In a nutshell, you mix lye powder with cold water and then carefully submerge your olives in the mixture for 12 hours.


Initially, I used gloves when mixing.... but I found that after the lye is in contact with water, it really can't hurt you. Its only the dry lye power that can burn your skin. Truly, it is not as scary as it seems.





Besides the lye, all you really need is a large crock or glass jar....and some good salt. This gave me a good excuse to actually use my crock for what it was intended.  Normally it holds kitchen utensils.
I made the lye water bath at night and left the crock in my sink over night.
In the morning they were ready to be rinsed.




Then, for the next few days, rinse the olives a couple times a day to remove the lye.  After 4 days of rinsing the olives they were ready to put in a light salt brine.  Pour the salt brine over the olives in the crock again and leave them on the counter for another 4 days. And that is it. They are done.... and taste amazing!



After draining the brine, I gathered some jars I had around the house, sterilized them and filled them with the olives. 



A couple of my friends who were also curing olives purchased these very cute Weck Canning Jars to can their olives.... and they were so cute.  You can see them here at Crate and Barrel.







After filling all the jars, pour another cold salt water brine over the olives 
and placed them in the fridge.




One important thing to remember is to use a good quality salt. Even Kosher salt is discouraged.




We had some sea salt on hand that Brian lightly smoked in the smoker this summer 
and we used it in the final brine.





 Bay leaves were added to a couple of the jars.



You could also add some sprigs of  herbs like thyme or rosemary,
 and lemon zest or garlic cloves or even chili pepper
to create the flavors you want. Be creative.


I think these would make great gifts.




To serve, drain and drizzle them with a good quality olive oil. 



Serve with your favorite cheese, cured meat and crackers...or eat them right out of the jar.

This turned out to be a fun project.



Here is the recipe I used:







6 comments:

  1. So cool! I eat olives all the time but since Scandinavia isn´t exactly a place to grow olives I rarely get to se them fresh, will try to try this though.

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  2. I just discovered your blog (thank you, foodgawker), and I am enamored! (As you can tell, I made it all the way from the Parsnip Gratin back to here...and then beyond.) The abundance and quality of photos is wonderful. I am especially happy to have found this post as I've been curious about working with lye for a while, but hadn't really come across the proper inspirational reassurance. So glad I happened upon your site!

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    1. Wow Carey, thank you so much! Good luck with the lye project.

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  3. What about using the extra concentrated drain opener, it is okay? Because I didn't found it where I live.
    Can I use it and I less the time?

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  4. It must say "100% lye", otherwise DO NOT use it.

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  5. This comment has been removed by a blog administrator.

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