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Hands press a glass fermentation weight onto the full glass jar of vegetables.

Fermented Spicy Dijon Mustard Pickles

A spicy take on my super popular honey mustard pickles! These can be made with any hot pepper you like and are fermented for two weeks.

  • Prep: 20 minutes
  • Total Time: 336 hours 20 minutes

Ingredients

  • 450 grams cucumber
  • 325 grams water
  • 50 grams sliced jalapeño (about one large jalapeno)*
  • 12 grams coarse ground Dijon mustard
  • 28 grams sea salt

Instructions

  1. Wash all of your fermentation equipment (jar, weight, and lid). I like to wash my equipment in very hot soapy water. This recipe is best with a 32-ounce jar.
  2. Wash your cucumbers in cool water.
  3. Slice your cucumbers either as ripple cut chips or as spears/halves. Remove and discard the cucumber ends. Slice the jalapeno.
  4. Place your kitchen scale on the counter. Turn it on and set it to weigh in grams.
  5. Weigh out the designated amounts of cucumbers, jalapeno, dijon mustard, water and salt.
  6. Add everything to the mason jar.
  7. Place the lid on the jar, and secure it. Shake the jar vigorously for 2 minutes to dissolve all the salt.
  8. Remove the lid. Place your clean fermentation weight in the jar, making sure to submerge the cucumber pieces and weight fully in the liquid. If using coarse ground Dijon, there will be some mustard floaties, but they shouldn’t be a problem.
  9. Rinse the lid clean and secure the lid to the jar (you don’t need to tighten it too much; just close it).
  10. Let the pickles ferment for 10-14 days at room temperature. Set the jar in a glass dish to catch any spills.
  11. If you tighten the lid a lot, you should burp the jar daily when it is bubbling. It also helps to open up the jar daily to rinse the lid clean and re-submerge or scoop out any pepper seeds and floating bits.
  12. After 2 weeks, remove the fermentation weight and smell and taste test. Your pickles should smell pleasantly sour and taste tart and salty. (if it’s warmer in your kitchen you can taste test around 10 days).
  13. Too salty for you? Pour off half the brine into an empty jar and top off the pickles with apple cider vinegar! Shake to combine. Save the brine to make my probiotic pickled garlic or probiotic pickled onions.*
  14. Store in the fridge. Please leave a five-star rating below if you love this pickle recipe!

Notes

  • you can use bell pepper for super mild pickles, or use hotter peppers for even more heat.
  • Adding vinegar to fermented pickles that you find too salty does not kill all the microbes; there will still be probiotics in it.
  • The timeline is adjustable based on temperature. Fermentation is faster at warm temperatures. You can taste test at 10 days and see how you like them.
  • This recipe at 1x is for a 32- ounce jar.
  • Pickling, Persian, or cocktail cucumbers work best. Cucumber recommendations are in the first paragraph of this blog post.

Did you make this recipe?

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Nutrition information is auto-calculated and estimated as close as possible. We are not responsible for any errors. We have tested the recipe for accuracy, but your results may vary.