Vegetables

How to make Fermented Hot Sauce

Chillies, garlic, and brine fermented until fruity and sour, then blended into a pourable sauce. Expect about 30 minutes of active prep, 1-3 weeks of fermentation, and a short blending session at the end.

Quick answer

Prepare the chillies, mix the brine, and pack the jar so the peppers stay submerged. After 3 days, check that the peppers remain submerged and look for early bubbles and sourness. After 10 days, blend the fermented peppers into a sauce and adjust the final texture and acidity. After 14 days, refrigerate the sauce once the flavour is where you want it.

Difficulty
Intermediate
Total time
14 days
Ingredients
5
Steps
4

Safety

  • • Keep all peppers below the brine throughout fermentation.
  • • Use gloves with hotter peppers and avoid touching your eyes while handling them.
  • • A clean sour smell is normal. Fuzzy mold or a rotten smell means the batch should be discarded.

Step-by-step

Day 0

Step 1: Prepare and pack

Prepare the chillies, mix the brine, and pack the jar so the peppers stay submerged.

  • Set up clean equipment Wash the jar, weight, knife, and board before working with the peppers.
  • Prepare peppers Remove stems, slice the chillies, and peel the garlic.
  • Mix brine Dissolve the salt fully in the water before adding it to the jar.
  • Pack jar Pack the chillies and garlic into the jar, then add the brine and keep the solids below the liquid.
Day 3

Step 2: Check fermentation

Check that the peppers remain submerged and look for early bubbles and sourness.

  • Check submersion Press any floating pepper pieces back below the brine and adjust the weight if needed.
  • Check activity Look for a few bubbles and a slightly cloudy brine.
  • Check aroma The jar should smell fresh, peppery, and sour rather than rotten.
Day 10

Step 3: Blend and taste

Blend the fermented peppers into a sauce and adjust the final texture and acidity.

  • Blend sauce Blend the peppers with some of their brine until smooth.
  • Taste sauce Taste the sauce and decide whether it needs more acidity, salt, or time to mellow.
  • Bottle sauce Transfer the finished sauce to clean bottles or jars.
Day 14

Step 4: Finish and store

Refrigerate the sauce once the flavour is where you want it.

  • Refrigerate sauce Keep the finished sauce refrigerated to slow further fermentation.

What to look for

  • • Day 0: The peppers are fully submerged and the jar has a little headspace. That gives the ferment the right starting conditions.
  • • Day 3: You see a few bubbles and the brine smells peppery and lightly sour. Those are normal early fermentation signs.
  • • Day 10 and beyond: The blended sauce tastes spicy, sour, and rounded rather than raw. That is the point to bottle and refrigerate it.

Troubleshooting

  • Pepper pieces float above the brine. The weight shifted or the jar was packed loosely. Press the pieces back down and adjust the weight so all solids stay submerged.
  • The sauce is too thick. Not enough brine or vinegar was added during blending. Blend in a little more reserved brine or vinegar until the texture is right.
  • The sauce tastes too sharp. The ferment is still young or the blend has not rested yet. Refrigerate it for a few days and taste again before adjusting further.
  • The peppers soften too much. The ferment ran warm or went too long. Blend and refrigerate sooner next time, and ferment in a cooler spot.

Storage

Bottle the finished sauce and refrigerate once the flavour is where you want it.

Shelf life: about 3-6 months refrigerated

Serving suggestions

  • • Use it on eggs, tacos, soups, or grain bowls.
  • • Blend it into mayonnaise or yoghurt for a spicy dip.
  • • Stir it into marinades or braises for extra heat and acidity.

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Frequently asked questions

What is Fermented Hot Sauce?

Chillies, garlic, and brine fermented until fruity and sour, then blended into a pourable sauce. Expect about 30 minutes of active prep, 1-3 weeks of fermentation, and a short blending session at the end.

How long does it take to make Fermented Hot Sauce?

Most batches of Fermented Hot Sauce are ready in about 14 days, though exact timing depends on temperature and how the ferment tastes along the way.

Is Fermented Hot Sauce hard to make?

Fermented Hot Sauce is an intermediate project — straightforward for home fermenters with a bit of experience.

What do you need to make Fermented Hot Sauce?

You'll need Fresh chillies, Garlic, Filtered water, Sea salt, Apple cider vinegar.

How do I know when Fermented Hot Sauce is ready?

Watch for these cues: Day 0: The peppers are fully submerged and the jar has a little headspace.; Day 3: You see a few bubbles and the brine smells peppery and lightly sour.; Day 10 and beyond: The blended sauce tastes spicy, sour, and rounded rather than raw..

How do I store Fermented Hot Sauce?

Bottle the finished sauce and refrigerate once the flavour is where you want it. Shelf life: about 3-6 months refrigerated.

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