Homemade Fermented Hot Sauce (Printer-Friendly)

Week-long lacto-fermented hot sauce: tangy, fiery, and versatile for tacos, eggs, and sandwiches.

# What You'll Need:

→ Peppers

01 - 300 g (about 10 oz) fresh red chili peppers (e.g., Fresno, jalapeño, serrano, or a mix), stems removed
02 - 1 small red bell pepper, stems and seeds removed (for sweetness and volume)

→ Vegetables & Aromatics

03 - 4 garlic cloves, peeled
04 - 1 small shallot or ½ small onion, peeled
05 - 1 medium carrot, peeled and sliced (optional, for sweetness and body)

→ Brine

06 - 500 ml (2 cups) filtered water
07 - 15 g (1 tbsp) non-iodized salt (sea salt or kosher salt)

→ Finishing

08 - 2 tbsp apple cider vinegar or distilled white vinegar

# Method:

01 - Prepare the brine by dissolving salt in filtered water. Set aside.
02 - Roughly chop the chili peppers, bell pepper, carrot, garlic, and shallot/onion.
03 - Place all vegetables and aromatics in a clean 1-liter (quart-sized) glass jar.
04 - 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.
05 - Cover the jar with a lid fitted loosely or use a fermentation airlock to allow gases to escape.
06 - 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.
07 - 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.
08 - Strain the sauce through a fine-mesh sieve for a smooth texture, or leave it rustic if preferred.
09 - Pour into a sterilized bottle or jar. Store in the refrigerator for up to 3 months.

# Expert Suggestions:

01 -
  • This hot sauce has all the bold, layered flavors of your favorite artisan bottle, but you can tweak it to be just right for you.
  • The ferment does most of the work while you get that proud, homemade thrill with minimal hands-on time.
02 -
  • One batch taught me the hard way: if the vegetables poke above the brine, you’ll end up with mold and disappointment.
  • Letting the sauce rest in the fridge for a few days after blending really transforms the sharp edges into a mellow, complex fire.
03 -
  • Always push the veggies below the surface; oxygen is the enemy of good fermentation.
  • A chilled, clean metal bottle funnel makes pouring into jars way less messy.
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