Spicy Fermented Mustard

June 13, 2016 By 14 Comments

Mustard is one of the healthiest condiments out there and it happens to be Alana’s favorite.Why not add some probiotic goodness to this cancer fighting and inflammation reducing nectar of the condiment gods? Enter fermented mustard.

Our Spicy Fermented mustard is going to be a hit at your next tailgate or barbecue! Warning: It definitely packs a kick! Use in small doses!

If you’ve made your way over to our blog from our other blog,Great Big Globe, you may remember when we took a fermentation class in Guatemala at Love Probiotics. They sell a super awesome spicy lacto-fermented hot sauce that we slathered on top of our eggs each morning. It made us think, why not ferment mustard? This spicy mustard packs the probiotic benefits of fermented foods, so it’s great for your digestion and the perfect compliment to burgers, brats and hot dogs!

This recipe is extremely easy and comes together quickly. Simply add all ingredients to your food processor and process! It does take awhile for the mustard seeds to open up and blend with all of the other ingredients. We let the food processor go for about eight minutes, stopping to scrape the sides at the three and six minute marks.

Beginning, six minutes in and done at 8 minutes

Once you are finished blending, transfer the mixture into a glass jar.

At this point, I have to beg you to not try it. I know, I know, the smell is intoxicating and you want to gobble it up right this minute. Just don’t do it. We were severely disappointed with the taste at this point. So much so, we almost dumped it! But as with a lot of things, this mustard gets better with age.

Allow the mustard to ferment on the counter (out of direct sunlight) for 3-4 days. After four days, move to the refrigerator and use within six months. You may notice some separationas time goes on which is nothing to worry about. Simply stir it before using.

I’ll leave you with a final warning that this mustard packs a pretty big kick, definitely use in small doses until you know how much you can handle.

5 from 1 vote

This Spicy Fermented Mustard recipe is easy to follow utilizes real food ingredients.

CourseSide Dish

Keywordmustard

Prep Time 5 minutes

Cook Time 10 minutes

Total Time 15 minutes

Author TheWildGut.com

Ingredients

3/4cuporganic whole yellow mustard seeds
1/4cuporganic whole brown mustard seeds
2/3cupfiltered water
4tablespoonsliquid whey
2teaspoonssea salt
4garlic cloves
Juice of 2 small lemonsabout 1/4 cup

Instructions

Put all ingredients in a food processor and process until the mixture looks the consistency of grainy mustard, about 8 minutes (Stopping to scrape as needed)
Transfer to an air tight glass jar and let sit on the counter for 72-96 hours
Move to the refrigerator and enjoy within six months

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Reader Interactions

Comments

Camille
November 8, 2017 at 11:52 am
Hi! What type of liquid whey did you use for this recipe? I’m having a difficult time finding some and I want to make sure I buy the right product before attempting the recipe!
Reply
- Alana
  November 8, 2017 at 4:50 pm
  Hi Camille!
  Great question and happy to hear you are going to test out the mustard soon.
  We purchase plain organic whole milk yogurt (not greek) to begin with; there are different brands but your local grocery store should carry a couple options (32oz Stonyfield is good). Then we put all the yogurt in a piece of cheesecloth and tie it tightly so that it starts to press out the liquid (whey). We place the cheesecloth yogurt ball in a strainer and rest it over a bowl or dish to catch all the liquid. We usually let this process go overnight and by the following morning you have a bowl full of organic liquid whey!
  As a side note, we use the left over yogurt like cream cheese, as the consistency is similar. We mix in some fresh herbs or garlic and you have a cheese spread for bagels, toast, or crackers! We try not to waste if possible. 🙂
  I hope that helps but feel free to let us know if you have any more questions. Good luck and enjoy the mustard!
  Matt
  Reply
  - Anna Hill
    January 29, 2020 at 7:57 pm
    See Also
    White Garlic Pizza Sauce
    Hi there. I make yogurt and Greek yogurt I have liquid whey that I use in baking etc
    Can I use it for this recipe?
    Thanks
    Reply
    - January 30, 2020 at 5:36 am
      Hi Anna, that should work just fine. Hope you love the mustard as much as we do!
      Reply
Liane
January 19, 2018 at 5:23 pm
Have you ever tried using leftover brine from sauerkraut or pickles instead of or in conjunction with the whey? I think I may try it mixed.
Reply
- Alana
  January 22, 2018 at 6:56 am
  Hi Liane – We have used leftover brine from sauerkraut in many other ferments before (we love mixing some in with sourdough bread actually), but not our spicy mustard. However, that should work just fine and we will try it out in the future after reading your comment. We decided to use whey in this recipe as brine isn’t as readily available to people as whey can be, but there should not be any problems in our eyes. Good luck and let us know how it turns out!
  Reply
Terance
March 7, 2018 at 5:16 am

Thanks for the awesome ideas guys – love them
When you seal up the jar here – what about the air inside? I’m just thinking it looks creamy and not like brine to keep the ingredients submerged for fermenting. How do you seal this recipe so the fermenting happens nicely?
Thanks guys
Reply
- Matt
  March 15, 2018 at 4:51 pm
  Hi Terance!
  With our mustard recipe, we don’t have a brine, rather we incorporate liquid whey into the mustard mixture and whip it together. Once the mixture has been blended we cap it tightly and let it sit at room temperature for a few days, we’ve found this helps with the flavor consistency after making different batches. After a few days it is good to go and we give it a stir before popping it into the fridge. However, we have never seen separation while it sits out, so stirring is not absolutely necessary. Adding the whey helps kick start the ferment by dropping the pH quickly, which we find helpful with this particular type of ferment.
  Thanks for the question – Cheers!
  Reply
B
December 6, 2018 at 10:03 am
Hi, I’m wondering why you would grind the mustard seeds first instead of fermenting them and then grinding, it seems like that would make for less work. Thanks!
Reply
- B
  December 6, 2018 at 5:36 pm
  I retract my comment! I’ve learned that mustard seeds are too antimicrobial and do not contain enough carbohydrate to ferment. As I understand it, it would actually be co-habitation, with the mustard flavoring the garlic and lemon juice which would be the doing the fermenting, if any were to occur. The probiotics you speak of would be coming from the whey itself, is that correct? I can definitely see that grinding the seeds on their own would be more effective in a food processor than with added liquid, but I would still be inclined to soak them first. Have you tried it that way?
  Reply
  - Alana
    December 9, 2018 at 8:35 pm
    We haven’t tried to soak them for this recipe but know that is the preferred method. Let us know how it works for you.
    Reply
Tiff
January 28, 2020 at 9:02 am
This looks delicious, but I am dairy free. Any suggestions for a whey substitute? I saw one comment about sauerkraut brine, but I’m just getting into fermenting and don’t have any homemade. Would store bought work? Thanks!
Reply
- January 30, 2020 at 5:38 am
  Hi Tiff,
  Yes, sauerkraut brine will work here too. Be sure the sauerkraut is raw and you are good to go. Enjoy!
  Reply
Sheri Steinmetz
September 27, 2020 at 12:22 pm
I have used our fermented sauerkraut brine in this recipe and it works great! I love this mustard, it’s almost like a horseradish and mustard blend, very spicey. I love it!!
Reply