Homemade Fermented Hot Sauce

Featured in: Soft Sweet Home Bakes

This lacto-fermented hot sauce begins with roughly chopped chilies, bell pepper, garlic, shallot and optional carrot packed into a clean jar and covered with a 2% salt brine. Keep the vegetables submerged and ferment at 18–22°C for about 7 days, skimming any surface scum. Blend with a splash of vinegar, strain if you prefer a silky texture, then bottle. Yields about 2 cups; refrigerate up to 3 months as flavors mature.

Updated on Sat, 18 Apr 2026 06:12:11 GMT
A vibrant jar of homemade fermented hot sauce, packed with fiery red chilies and aromatic garlic, ready to elevate any meal. Pin it
A vibrant jar of homemade fermented hot sauce, packed with fiery red chilies and aromatic garlic, ready to elevate any meal. | plumcrescent.com

Homemade Fermented Hot Sauce is a celebration of bold flavor and kitchen tradition. With just a handful of fresh peppers, garlic, and a week of patience, you'll unlock a tangy, spicy condiment that's as lively and nuanced as any artisan bottle. Fermentation tames the fire of chilies and coaxes out layers of umami, making this hot sauce not only vibrant but also probiotic-rich. Get ready to savor heat and complexity in every drip.

A vibrant jar of homemade fermented hot sauce, packed with fiery red chilies and aromatic garlic, ready to elevate any meal. Pin it
A vibrant jar of homemade fermented hot sauce, packed with fiery red chilies and aromatic garlic, ready to elevate any meal. | plumcrescent.com

Whether you’re new to fermenting or a seasoned DIYer, this recipe transforms humble chilies and vegetables into a fiery sauce worthy of any table. Try it as a finishing splash on tacos, eggs, roasted vegetables, or even swirled into creamy dips. The hands-on work is minimal; the real magic happens as your bubbling jar quietly does its work over a week.

Ingredients

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  • Peppers
    • 300 g (about 10 oz) fresh red chili peppers (e.g., Fresno, jalapeño, serrano, or a mix), stems removed
    • 1 small red bell pepper, stems and seeds removed (for sweetness and volume)
  • Vegetables & Aromatics
    • 4 garlic cloves, peeled
    • 1 small shallot or ½ small onion, peeled
    • 1 medium carrot, peeled and sliced (optional, for sweetness and body)
  • Brine
    • 500 ml (2 cups) filtered water
    • 15 g (1 tbsp) non-iodized salt (sea salt or kosher salt)
  • Finishing
    • 2 tbsp apple cider vinegar or distilled white vinegar

Instructions

1. Prepare the brine
Dissolve salt in filtered water. Set aside.
2. Chop vegetables
Roughly chop the chili peppers, bell pepper, carrot, garlic, and shallot/onion.
3. Fill the jar
Place all vegetables and aromatics in a clean 1-liter (quart-sized) glass jar.
4. Add brine
Pour the brine over the vegetables until fully submerged. Weigh the vegetables down with a fermentation weight or a small zip-top bag filled with brine to keep them under the liquid.
5. Cover jar
Cover the jar with a lid fitted loosely or use a fermentation airlock to allow gases to escape.
6. Ferment
Place the jar in a cool, dark spot (18–22°C / 65–72°F) for 7 days. Check daily to ensure vegetables remain submerged and skim off any surface mold or scum.
7. Blend
After 7 days, transfer the contents (including brine) to a blender. Add the vinegar and blend until smooth. For a thinner sauce, add more brine or vinegar to reach desired consistency.
8. Strain (optional)
Strain the sauce through a fine-mesh sieve for a smooth texture, or leave it rustic if preferred.
9. Bottle and store
Pour into a sterilized bottle or jar. Store in the refrigerator for up to 3 months.

Zusatztipps für die Zubereitung

For extra heat, include some habanero or Thai chilies. Add spices such as black peppercorns or coriander seeds to the brine for added complexity. Substitute apple cider vinegar with rice vinegar for a milder tang. The sauce’s flavor will continue to evolve in the fridge.

Varianten und Anpassungen

You can play with the pepper varieties to tweak the heat and color. Omit the carrot for a sharper flavor, or add a few extra cloves of garlic for pungency. For an even smoother texture, strain thoroughly or try blending with a bit of additional vinegar. Adjust the thickness by adding more brine after blending as desired.

Serviervorschläge

Drizzle this hot sauce over tacos, eggs, grain bowls, grilled veggies, or roasted potatoes. Mix it into mayo for a spicy spread, swirl into soups for a bright kick, or layer onto avocado toast. Its complexity shines in any dish in need of a fiery punch.

Pin it
| plumcrescent.com

Homemade fermented hot sauce brings the excitement of fermentation to your home kitchen, rewarding you with depth of flavor that only a week of patience can deliver. Whether you like it fiery or mild, this versatile condiment will become your go-to splash for countless meals. Enjoy the process, and let your creativity inspire future batches!

Recipe Questions & Answers

How long should the ferment rest?

A week at a cool room temperature (about 18–22°C) typically develops bright lactic tang and complexity; longer ferments yield deeper sourness and funk.

What salt concentration is best?

Use roughly a 2% salt brine by weight (about 1 tbsp of non-iodized salt to 500 ml water for this volume) to encourage safe lacto-fermentation and pleasant flavor.

Can I change the pepper mix?

Yes. Mix Fresnos, jalapeños, serranos or add habanero/Thai chilies for more heat. Include a red bell pepper or carrot to balance heat with sweetness.

How do I prevent mold during fermentation?

Keep all solids fully submerged under the brine using a fermentation weight or a zip-top bag of brine; skim any white scum promptly and use clean equipment and jars.

Should I strain the sauce?

Straining through a fine-mesh sieve yields a smooth pourable sauce; leave it unstrained for a rustic texture and more body if you prefer.

How should I store the finished sauce and how long does it last?

Transfer to a sterilized bottle and refrigerate. The sauce keeps about 3 months in the fridge and will continue to mellow and develop flavor over time.

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Homemade Fermented Hot Sauce

Lacto-fermented hot sauce with garlic, carrot and bright vinegar tang; smooth or rustic, ready after a week.

Prep time
20 minutes
Time to cook
10080 minutes
Overall time
10100 minutes
Created by Avery Hayes

Recipe type Soft Sweet Home Bakes

Skill level Medium

Cuisine type International

Total made 32 Portions

Dietary details Plant-based, No dairy, No gluten

Ingredient list

Peppers

01 Approximately 10 oz fresh red chili peppers (Fresno, jalapeño, serrano, or a mix), stems removed
02 1 small red bell pepper, stem and seeds removed

Vegetables & Aromatics

01 4 garlic cloves, peeled
02 1 small shallot or 1/2 small onion, peeled
03 1 medium carrot, peeled and sliced (optional)

Brine

01 2 cups filtered water
02 1 tablespoon non-iodized salt (sea salt or kosher salt)

Finishing

01 2 tablespoons apple cider vinegar or distilled white vinegar

How-to

Step 01

Make the brine: Dissolve 1 tablespoon non-iodized salt in 2 cups filtered water until fully dissolved; set aside.

Step 02

Prep produce: Roughly chop the chili peppers, red bell pepper, carrot, garlic and shallot (or onion) to pieces that will pack easily into a jar.

Step 03

Pack the jar: Place the chopped vegetables and aromatics into a clean 1-quart glass jar, pressing down to remove large air pockets.

Step 04

Add brine and weigh down: Pour the prepared brine over the contents until everything is submerged; weigh the solids below the surface with a fermentation weight or a small zip-top bag filled with brine.

Step 05

Seal for fermentation: Cover the jar loosely with a lid or fit a fermentation airlock to allow gases to escape while minimizing oxygen exposure.

Step 06

Ferment: Place the jar in a cool, dark location at about 65–72°F and ferment for 7 days, checking daily to ensure solids remain submerged and removing any surface scum with a clean spoon.

Step 07

Blend and acidify: After 7 days, transfer the solids and brine to a blender, add 2 tablespoons vinegar, and blend to a smooth consistency; thin with additional brine or vinegar if desired.

Step 08

Optional strain: For a smooth finish, strain the blended mixture through a fine-mesh sieve; skip this step to retain a rustic texture.

Step 09

Bottle and store: Transfer the sauce to a sterilized bottle or jar, refrigerate, and use within 3 months; flavor will continue to develop in the fridge.

Tools Needed

  • 1-quart glass jar with lid or fermentation airlock
  • Fermentation weight or small zip-top bag
  • Cutting board and chef's knife
  • Blender
  • Fine-mesh sieve (optional)
  • Sterilized bottle or jar for storage

Allergy warnings

Review all ingredients for allergy risks and speak with your healthcare provider if you're concerned.
  • No common allergens present; verify salt is additive-free and check commercial vinegar for sulfites if sensitive

Nutrition details (per portion)

These details are for reference and shouldn't replace healthcare advice.
  • Calorie count: 5
  • Fat content: 0 grams
  • Carbohydrates: 1 grams
  • Proteins: 0 grams

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