Fermented jalapeños are tangy, spicy, and packed with gut-friendly probiotics. Naturally preserved in salt brine with garlic and spices, they develop a deep savory heat that feels very different from vinegar pickles. These whole jalapeños add brightness to sandwiches, tacos, rice bowls, and everyday meals.
Ingredients (for a 1L Fermentation Jar)
- 400 to 450 g fresh jalapeños, destemmed
- 2 to 3 garlic cloves
- 1 bay leaf
- ½ tsp mustard seeds
- 1 tea bag
Brine
- 20 g sea salt
- 450 ml Water
Equipment
- 1L glass fermentation jar
- Glass weight
- Grommet lid and airlock
Everything you need to ferment safely at home: glass fermentation jar, grommet lid, airlock, glass weights, and a recipe book.
View the KitInstructions
Prepare the Ingredients
Rinse the jalapeños and garlic thoroughly. Remove only the stems from the jalapeños. Keep them whole.
Sterilize the Jar
Clean your 1L fermentation jar with hot water and let it air dry completely.
Layer the Jar
Place the tea bag, garlic, bay leaf, and mustard seeds at the bottom of the jar. Add whole jalapeños, arranging them to minimize space.
Add Glass Weight
Place a glass weight on top to hold the Jalapenos in place.
Add Brine
In a separate bowl, dissolve the salt in filtered water. Pour the brine into the jar, ensuring the jalapeños are fully submerged.
Seal with an Airlock
Close the jar with a grommet lid and fill the airlock halfway with water.
Ferment
Keep the jar in a warm, shaded place around 25 to 30°C for 6 to 9 days.
Check Daily
Ensure the jalapeños stay submerged. Begin tasting from Day 6. They should taste tangy with a clean heat and firm bite.
Store and Enjoy
Once the flavor is to your liking, remove the weight and airlock, replace with a storage lid, and refrigerate. Fermented jalapeños can be stored for up to 3 months.
Tips and Notes
- Keeping jalapeños whole helps retain texture.
- Tea bag helps maintain crispness during fermentation.
- Always keep jalapeños fully submerged under brine.
- Warmer temperatures speed fermentation, cooler conditions slow it down.
- Refrigeration stabilizes flavor and slows further fermentation.
Final Thoughts
Whole fermented jalapeños are bold, simple, and highly versatile. They hold their heat while gaining tang and depth through fermentation. A small addition can transform everyday meals and bring both flavor and probiotic benefits to the table.