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Homemade kochujang (hot red pepper paste)

December 15, 2011 By Amy Kim

I had hoped to write about my successful homemade experiments with both makjang and kochujang. Makjang, an “instant” dwaen jang or soybean paste, ended up growing a layer of nice white fuzz. I probably could’ve salvaged it, but why risk it? I made another attempt and will follow up with a post on that later.

On the other hand, my homemade kochujang was a success. Kochujang is a fermented hot red pepper paste and is an essential Korean ingredient that is used in soups, jigaes, and sauces. As well as dishes like my Sloppy Jaes and ddukboki!

Each region or province in Korea had their own version of kochujang. And each household within that region had its own kochujang. Now this condiment is widely available at Korean grocery stores. They’re usually found in red plastic containers or stout wide-mouthed jars. The colors range from a deep dark brick red to a bright red and the consistency is usually that of a thick jam or toothpaste.

This batch came out a tad bit on the salty side, but since the maturing process takes a bit of time and attention, I probably won’t make another attempt until next summer or fall. For now, this batch totally works once I make small adjustments to my recipes.

The process is long, tedious, but simple. Don’t be surprised if you start to develop a relationship with your jar of fermented paste…and give it name (Little Guy)…and start talking to it.

Anyway…

Back in August, I mixed all my ingredients and crossed my fingers. Every sunny day I brought my Little Guy outside on the back deck and brought him back in every night. On cloudy and rainy days I left the Little Guy on my kitchen counter. I coddled the Little Guy everyday for about a month and a half. He was my baby.

Sunbathing…

It was worth the wait.  The flavor is much more complex and deep, very much unlike the store-bought syrupy sweet goo. The homemade kochujang has a smoky heat with a bit of  tang and a texture that is thick and pasty.  I can’t wait to try all my recipes with my homemade kochujang.

Kochujang

Adapted from Growing Up in a Korean Kitchen by Hi Soo Shin Hepinstall

Yields about a quart

1 1/2 cups barley malt powder
5 cups water
2 cups sweet rice flour
2 cups kochugaru (hot red pepper powder)
1 cup meju powder (soybean)
1 1/2 cups kosher salt (I used Morton’s Kosher Salt)

1 – In a bowl, combine the malt powder and water. Stir to dissolve. Let stand overnight  in a warm place. I kept mine in an electric rice cooker on the “keep warm” setting.

2 – Strain the mixture into a heavy stockpot, add the sweet rice flour, and dissolve well. Bring to a boil and simmer over low heat until its volume is reduced by one-third to one-half. 2a – Cool and set aside.

3 – In a large bowl, combine, the kochugaru, meju powder, rice and malt paste, 3/4 cup salt. Mix thoroughly with a wooden spoon. Cover the bowl with a kitchen towel and let stand overnight.

 4 – Sprinkle half of remaining salt on the bottom of a clean, dry jar so that it covers the surface of the jar.

5 – Transfer the kochujang paste to the jar. Sprinkle the remaining salt on top and make sure the entire surface is covered to prevent mold growth.

6 – Leave about 2 inches of space at the top. Cover the jar with a gauze or cheese cloth. I folded the cheese cloth three times and secured it with a rubber band. It’s mostly to prevent debris and insects from getting into the jar. Cover with a lid. It does not have to be airtight.

7 – This is the tedious part. Sun-dry every day and cover with an earthenware top at night or just bring the little guy in. Do this everyday. Let the paste mature and ferment for at least 30 days.

8 – By the time it is ready, the salt has transformed into a hard crust. Scrape and discard the salt and only remove as needed.

9 – Can be stored in the refrigerator indefinitely.

Notes: This initial batch came out a tad bit salty so I plan to adjust the recipe to account for that by using less salt and trying Kosher Diamond Salt which is less saltier than Morton’s. 

Also, I used to be able to order barley malt powder through HMart.com, but I’ve discovered that Bob’s Red Mill also produces it.

This half-gallon jar from Crate and Barrel worked perfectly for me.

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Filed Under: Food, Korean Tagged With: gochujang, kochu, korean, sauce

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Comments

  1. Margaret says

    December 15, 2011 at 11:47 AM

    I love any type of hot pepper or chili paste so kochujang is no exception. Sounds like you took such love and care of the “little guy” so no wonder it came out so tasty. Thanks for sharing this recipe as I’ve been wanting to make my own version of chili paste for awhile so it was an inspiration.

    • AMY says

      December 15, 2011 at 1:36 PM

      Just do it! Homemade is so much better! Looking forward to making another batch next summer. I might even make my own red pepper powder just to go that extra mile. I’ve been wanting to make sriracha too! Thanks for visiting!

  2. Katie says

    December 17, 2011 at 1:48 PM

    Is there a substitute for Barley Malt powder? My husband is gluten intolerant and can’t have barley, rye or wheat. I’d really like to make this since I can’t buy it anywhere locally!

    • AMY says

      December 25, 2011 at 8:26 AM

      Hi Katie – I’ve asked a few GF chefs and experts for a substitution, but I think I stumped them. Next time I’m going to try a small batch without the malted barley and add sugar.

  3. Chung-Ah @ Damn Delicious says

    December 19, 2011 at 2:01 AM

    All these years, I never knew you could make gochuchang from scratch!

    • AMY says

      December 25, 2011 at 8:08 AM

      I hear that there are halmonis in NJ that make it in their homes and sell it! I also made makjang (instant dwaenjang) which I will post soon.

  4. Jeannie says

    January 10, 2012 at 11:54 PM

    Very inspiring that you’ve made this on your own. Do you know long it keeps?

    • AMY says

      January 13, 2012 at 9:13 AM

      According to Hepinstall and my mom, it should keep indefinitely in the fridge! Are you going to try making it?

  5. jane says

    January 26, 2012 at 2:35 PM

    i am interested in trying this… one day. you know, when my giant plastic tub runs out!

    • AMY says

      January 28, 2012 at 10:42 AM

      Hi Jane – It will be worth it! Tastes so much better than the store-bought stuff.

  6. Erica says

    April 3, 2012 at 1:21 AM

    Wow! You have no idea how many times I’ve seen folks on other blogs (like Maangchi’s or Aeri’s Kitchen) asking if they could make gochjang from scratch, and the bloggers scratching their heads! I applaud your efforts; it looks delicious!

    This is definitely a project I need to dig into.

    • AMY says

      April 3, 2012 at 6:37 PM

      It’s fairly easy to put together, but the “babysitting” is a bit tedious. You should try it! It helps if you have a sunny outdoor spot.

  7. Angelina says

    January 10, 2013 at 5:06 PM

    i was wondering if you have tried making this without the malted barley, or at lest a different malted grain that doesn’t contain gluten. Beer is malted and typically contains wheat, however, i know there is gluten free beer which uses a different type of malted grain. if you haven’t experimented with this yet, do you think that it’d be expensive to experiment myself?

    • kimchi_mom says

      January 11, 2013 at 7:38 PM

      I am actually planning on experimenting with a gluten-free recipe. i have trying to reduce/eliminate my gluten intake for health reasons and am interested in coming up with a gluten-free recipe. My mom has told me that the kochujang her mom (my grandmoms) made never included malted barley so am very interested in recreating her recipe! you can wait for my version or I would love to see what you come with also!

  8. Flash Mob Tai Chi says

    May 15, 2013 at 4:26 PM

    Thank you so much for posting this recipe. I will use it as my guide for making my own! I’m going to attempt making a gluten free recipe using Juwar Flour (Sorghum). I will post the results on my blog and give you credit for providing the basis.

    • kimchi_mom says

      May 17, 2013 at 9:45 PM

      Thanks for stopping by. I can’t wait to see the recipe for your GF kochujang. I will be attempting a GF version also this summer!

      • Flash Mob Tai Chi says

        May 19, 2013 at 11:42 AM

        Ok, so I don’t know the final results yet but the surghum flour maybe a little too thick to use and I’m not sure it is providing the same effect as the barley malt powder. It was “cream of wheat” like after setting all night. It did have a pleasant sweet smell and tasted like cereal. I ended up adding some liquid ( I chose rice wine) so that it would blend with the other ingredients. We’ll see how it goes but after making a backup batch with the barley malt, I’m thinking that it could be better to just increase the amount of fermented soy bean powder and omit the barley malt powder as a solution for making it GF? I’ll let you know what happens in 30 days and look forward to your GF version.

        • kimchi_mom says

          May 20, 2013 at 1:22 PM

          hmmm….not sure what the wine will do. maybe i would’ve tried salted water. are you putting it out in the sun as well?

  9. Connie Lee says

    May 31, 2013 at 6:40 AM

    I need to know for no 3. “Rice” & malt past. Is this need a bowl of rice or your referring to use the “Sweet Rice Flour” ?

    • kimchi_mom says

      May 31, 2013 at 8:51 AM

      It’s referring to the sweet rice flour. In the previous step, the barley malt powder and sweet rice flour are mixed together to make a paste so I just referred it as “rice and malt paste”.

  10. Yufina says

    September 3, 2013 at 4:28 AM

    Interesting. Should try this. Anything new about GF version?

    • kimchi_mom says

      September 6, 2013 at 10:50 PM

      no new updates on the GF version. I need to find the time to make another attempt. Thanks for stopping by…

  11. mermaidem says

    November 9, 2013 at 10:24 PM

    Is glutinous rice flour the same thing as sweet rice flour? I want to make sure I’m using non GMO soy powder. Can I just make my own beans into powder?

  12. Jen says

    November 5, 2014 at 3:30 AM

    Hi Amy, I’m having a go at your gochujang recipe! Some of my malt/rice paste burned on the bottom of the pot, how do I avoid that? And does the salt on the bottom of the jar get mixed INTO the paste post-fermentation, or just scraped off of?

    • kimchi_mom says

      November 6, 2014 at 9:23 AM

      I had the burner on low heat and stirred it periodically. The salt on the bottom gets mixed in. Although I scrape the salt off on the top before scooping. Good luck! Can you send me a picture…so curious how it looks!

      • Jen says

        November 6, 2014 at 4:55 PM

        Check it out, she looks just like your Little Guy!
        I decided go proceed with the (slightly?) burnt paste–it tasted ok the next day when all the flavors melded together. Fingers crossed…

        • kimchi_mom says

          November 16, 2014 at 10:04 AM

          Jen! That looks awesome! 🙂 You’ll have to let me know how it tastes!!

          • jen says

            November 23, 2015 at 1:47 PM

            Update time! 7 months later, a taste test. The paste was thick and smooth in a rustic way. The flavor was deep, but quite salty. I was thrown off by the fact that it lacked the sweetness I’ve always associated with gochujang, and realized the recipe never asked for sugar or a sweetener! I added about a cup of honey to balance the salt out, and upon mixing it thoroughly, it began to taste familiar.

            Which leads me to question–is the introduction of sweeteners a modern idea? Is this salty-spice paste what true gochujang is supposed to taste like, before the mass marketing of sweet paste? Any insights appreciated!

            https://www.instagram.com/p/3mVVMPoDc2/

          • kimchi_mom says

            November 30, 2015 at 1:32 PM

            This paste is not as sweet as the store-bought versions. The barley malt is the “sweetener” here.

  13. carolyn says

    March 18, 2015 at 2:21 AM

    What do you recommend straining the barley malt mixture with?

    • kimchi_mom says

      April 2, 2015 at 5:37 PM

      Hi Carolyn – I used a fine-mesh strainer and used a rubber spatula to push it through.

  14. kimchi_mom says

    July 24, 2016 at 11:41 AM

    Yes you are correct, the term glutinous refers to the stickiness and not the protein gluten. Rice is naturally gluten-free. Would love to see how your kochujang turned out!

Trackbacks

  1. Winging it says:
    February 1, 2012 at 1:16 AM

    […] things!). I created a spicy and tangy sauce with a Korean twist. I made half the batch with my homemade kochujang and the other half with the store-bought version. The homemade version definitely made a deeper, […]

  2. Homemade makjang or “instant” dwaenjang (fermented soybean paste) says:
    April 11, 2012 at 3:44 PM

    […] summer I was very determined to try a couple of “jangs” from scratch. One was kochujang (fermented red pepper paste) which I posted about a few months ago, and the other was makjang (or […]

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    […] sriracha – I’ve made kochuchang (Korean red pepper paste), so why not attempt the […]

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    December 12, 2013 at 9:32 AM

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Amy Kim is the voice behind kimchi MOM. I share delectable Korean recipes plus more! Thanks for visiting and I hope you enjoy your stay! Read More…

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