The Flexible Chef
Fermenting Chillies at Casa Adora
February 4, 2026

Fermenting Chillies at Casa Adora: A Simple, No‑Equipment Method

I’ve experimented with fermenting chillies before — the odd jar of carrots, a few cloves of garlic, the usual kitchen curiosities. I’ve also played with quick pickling in the past, including these quick‑pickled pepinos with apple cider vinegar, which still make me smile. But recently, La Caja Saludable delivered a huge box of mixed chillies, and suddenly my casual dabbling turned into something more intentional.

Why I Love Fermenting Vegetables

Glass jar of orange and yellow chillies fermenting in brine, with the lid open and resting on a patterned cloth.
A simple jar of chillies quietly fermenting — proof that you don’t need special equipment to get started.

Fermenting vegetables is one of the simplest, most rewarding ways to preserve a glut of produce. It’s slow, natural, and wonderfully low‑tech. You don’t need crocks, airlocks, or special weights — just a clean jar, a salt brine, and something to keep the chillies submerged.

My favourite trick is to use a food‑grade zip bag filled with brine as a weight. If it leaks, it only leaks brine, not water, and it keeps everything safely below the surface.

Mixed Chillies, Mixed Flavours

Glass jar packed with red and orange chillies and a few garlic cloves, submerged in brine during fermentation.
Red and orange chillies with garlic developing their own character in a small‑batch ferment at Casa Adora.

The box from La Caja Saludable was a proper Andalusian mix: reds, greens, yellows, long ones, squat ones, some mild, some fiery. Perfect for small‑batch fermentation, because each jar develops its own personality.

I packed the jars tightly, poured over the brine, tucked the brine‑filled bag on top, and left them on the counter. Within a day or two, the jars were alive — tiny bubbles, a gentle tang, and that unmistakable sign that the microbes are doing their quiet, beautiful work.

Fermenting Chillies Without Special Equipment

One of the biggest misconceptions is that you need fancy gear to start fermenting. You don’t. My method is simple:

  • Clean jar
  • 2–3% salt brine
  • Chillies (whole or chopped)
  • A brine‑filled zip bag as a weight
  • Patience

That’s it. No valves, no gadgets, no fuss.

What Fermented Chillies Become

Fermented chillies are incredibly versatile. They develop:

  • deeper flavour
  • softer heat
  • natural tang
  • a complexity you can’t get from fresh chillies alone

This batch is destined for three small‑batch sauces:

  • Fireline Red — fiery, floral, chilli‑forward
  • Golden Ember — warm, glowing, naturally sweet
  • Casa Adora Fusion — a balanced blend of the two

I’ll share the full hot sauce recipes in a separate post once the ferments are ready.

If You’re New to Fermentation

If you’re curious about preserving but not quite ready to ferment, you might enjoy my Sweet and Crispy Pickled Onions — bright, crunchy, and ready in minutes. It’s a lovely stepping stone into the world of preserving.

What’s Next at Casa Adora

Over the next few weeks, I’ll be fermenting more vegetables and sharing the results here. Once everything is tested and tasted, I’ll be putting together a FREE Casa Adora Ferments Mini‑Book. I’ll share more details soon.

Find more recipes and food adventures here.

Wonky photos, proper food, genuine adventures — The Flexible Chef.

A clasp‑lid glass jar filled with orange and yellow chillies submerged in brine, sitting on a light cloth in the Casa Adora kitchen.
A simple jar of chillies quietly fermenting — proof that you don’t need special equipment to get started.
Selection of fresh mixed chillies in a six‑section box, including jalapeños, red chillies, yellow chillies and long sweet peppers.
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