Fermented Pepperoncini Recipe

by Kaitlynn Fenley

Pepperoncini comes from the name peperoncino, which is the generic Italian name for hot chili peppers. Pepperoncini are more petite and hotter and come in a variety of colors. Banana peppers can be an excellent substitute for pepperoncini peppers, but they are unique in their own right. Both are fantastic when preserved via fermentation, but I prefer fermented pepperoncini peppers. In this blog, you’ll learn how to make the best fermented pepperoncini peppers that are fantastic in salads, sandwiches, and pizza.

What are pepperoncinis?

Pepperoncini comes from the name peperoncino, which is the generic Italian name for hot chili peppers. People also call these peppers golden Greek peppers, Tuscan peppers, or sweet Italian peppers. Pepperoncini are very common in Greece and Italy, where they are known as both “peperone” and “friggitello.” You can commonly find pepperoncini in Mediterranean diets, served as a pickled condiment on sandwiches and antipasto platters.

Fermented Pepperoncini versus Banana Peppers

Banana peppers and pepperoncini are not the same thing. Pepperoncini are smaller, hotter, and come in a variety of colors. Like most peppers, the fruit is first green or yellowish-green and then ripens to a red color. So you’ll find both green and red pickled pepperoncinis in stores, although green is most common. Banana peppers can be an excellent substitute for pepperoncini peppers, but they are unique in their own right. Banana peppers are lighter, bigger, and milder than pepperoncini. Both are fantastic when preserved via fermentation.

Pepperoncini Pronunciation

Now, I know some of you might be wondering how to say “pepperoncini.” It’s pretty straightforward; you say it just like it is spelled, peh·pr·uhn·chee·nee. Click here to hear a pronunciation on youtube.

Fermented Pepperoncini Recipe

I adapted this fermented pepperoncini recipe from my basic fermented pepper recipe that you can find in our Learn How to Ferment Any Pepper blog. These fermented pepperoncini taste similar to pickled peppers but with a more deep umami flavor. Fermented peppers last for a long time in the fridge. I’ve kept fermented peppers in my fridge for over two years, and they are still good. They’re quite delicious, so I don’t think you will need to store them that long.

The other thing I love about fermented peppers is all the health benefits! Fermented pepperoncini peppers are so good for you! They contain bioavailable vitamins and minerals along with many probiotic bacteria. These peppers are exceptionally high in vitamin A and vitamin C.

Here are the ingredients and supplies you need to make this recipe:

The Best Salt to Water Ratio for Fermenting Peppers

I always suggest using at least 3.5% total salt concentration when fermenting peppers, but that’s just the minimum. I think the flavor is fantastic when I use 4.5% to ferment pepperoncinis. It’s important to note here that this is total salt concentration, so I add 4.5% of the weight of water and peppers in salt. To learn more about safely using salt in fermentation, visit our The Complete Guide to Safely Using Salt in Vegetable Fermentation blog.

What to do With Fermented Pepperoncini?

Once you’ve made these fermented pepperoncini, there are many fun ways to enjoy eating them!

  • Enjoy them as a condiment: I like them on sourdough pizza, in salads, on charcuterie boards, and on sandwiches.
  • Cook with them: you can use fermented pepperoncini peppers in any recipe that calls for bell peppers, sweet peppers, or mildly spicy peppers. Cooking does kill the probiotics, but the flavor in recipes is amazing.
  • Garnish: use the fermented peppers as a fancy, delicious garnish on drinks like bloody marys.

More Fermentation Recipes to Try

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Fermented Pepperoncini Peppers

This fermented pepperoncini recipe is adapted from my basic fermented pepper recipe that you can find in our Learn How to Ferment Any Type of Pepper blog. These fermented pepperoncini taste similar to pickled peppers, but with a more deep umami flavor. When you use this recipe, the fermented peppers are so well preserved that they last in the fridge for over two years. They’re quite delicious, so I don’t think you will need to store them that long.

  • Author: Kaitlynn Fenley

Ingredients

Scale
  • 400 grams Italian sweet peppers
  • 550 grams water
  • 43 grams sea salt

Instructions

  1. Wash your fermentation equipment, including the jar, weight, and lid.
  2. Wash your peppers and chop to your desired consistency, or leave them whole. You can chop into pepper rings, slices or minced. 
  3. Place your kitchen scale on the counter. Turn it on and set it to weigh in grams.
  4. Place a mixing bowl on your kitchen scale and tare/zero the scale. 
  5. Add your peppers into the bowl on your scale until the scale reads 400 grams.
  6. Remove the bowl from your scale and set it aside. Place your empty, clean mason jar on the scale, and tare/zero the scale. Make sure your scale is still set to grams, and add 550 grams of filtered water to your mason jar.
  7. Add the peppers from your bowl, into the mason jar with water. If you left your peppers whole, you may need to squeeze them into the jar to make them all fit. If some water is displaced out of the jar when you add the peppers, it’s fine, just pour a little of the water off if there is too much. 
  8. Place a small bowl on your scale and tare/zero the scale. Weigh out 43 grams of sea salt. Then add the salt to the jar of peppers and water.
  9. Place your standard mason jar lid on the jar, and secure it. Shake the jar for 2 minutes.
  10. Remove the standard mason jar lid. Place your fermentation weight in the jar making sure to submerge all of the pepper pieces and weight fully in the liquid.
  11. Secure the jar lid to the mason jar.
  12. Ferment for 4 to 5 weeks.
  13. (optional) After five weeks I remove the fermentation weight and add a splash of apple cider vinegar to the jar and give it a stir. I like how this balances the flavor.
  14. After fermentation, remove the fermentation weight and store in the fridge. The peppers should keep for two years in refrigeration.

 

Notes

  • Taring/zeroing the scale with a container on it subtracts the weight of the container, allowing you to weigh only what is added to the container. After taring/zeroing the scale, the scale should read 0.0 with the container on it.
  • Peppers sold in a bag are triple washed and lack the essential microbes for the fermentation process. If using bagged peppers, I highly suggest adding two fresh cabbage leaves to this recipe as a “starter” for fermentation. You can eat the cabbage leaves after, or just compost them. 
  • during the first few days of fermentation, carbon dioxide is produced and you will need to burp the jar.

 

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1 comment

Kathy July 2, 2022 - 7:26 pm

Love it!

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