Blair’s Hot Sauce is a homemade fermented chili sauce that delivers serious heat and deep, tangy flavor. It’s inspired by the extreme-hot sauces popularized by brands like Blair’s, but this version lets you control the heat level and ingredients. The fermentation process develops a complex, savory umami note that you simply can’t get from vinegar-based hot sauces, making it a versatile condiment for anyone who loves spicy food.
Ingredients
- 1 lb (450 g) fresh red chili peppers (such as red jalapeños, Fresno, or habaneros for more heat), stems removed, roughly chopped
- 4 cloves garlic, peeled
- 1 small onion (about 4 oz / 115 g), roughly chopped
- 1 tablespoon (15 g) kosher salt (non-iodized)
- 1 cup (240 ml) filtered water (chlorine-free)
- 1/2 cup (120 ml) white vinegar (5% acidity)
- 1 tablespoon (15 ml) lime juice (optional, for brightness)
Instructions
- In a clean glass jar (1-quart / 1-liter capacity), combine the chopped chilies, garlic, onion, and salt. Use a wooden spoon or muddler to press down and release some of the juices.
- Pour the filtered water over the mixture. The solids should be submerged; if not, add a little more water. Leave about 1 inch (2.5 cm) of headspace at the top of the jar.
- Cover the jar with a clean cloth or coffee filter secured with a rubber band, or use a fermentation lid. This allows air to escape while keeping out dust and insects.
- Place the jar in a cool, dark place (60-75°F / 15-24°C) for 5 to 7 days. Check daily: you should see small bubbles forming, which indicates fermentation is active. If you see mold (fuzzy, colored spots), discard the batch and start over.
- After 5-7 days, the mixture should smell tangy and slightly fruity. Transfer the contents to a blender. Add the vinegar and lime juice (if using). Blend on high until completely smooth, about 1-2 minutes.
- Strain the sauce through a fine-mesh sieve to remove seeds and skins, if desired, for a smoother texture. Press down with a spatula to extract as much liquid as possible.
- Pour the sauce into a saucepan. Bring to a simmer over medium heat, then reduce heat to low and cook for 5 minutes. This stops the fermentation and stabilizes the sauce for storage.
- Let the sauce cool completely, then transfer to sterilized bottles or jars. Seal and refrigerate.
Tips
- Heat control: The heat of your sauce depends on the peppers you choose. For a milder sauce, use red jalapeños or Fresno peppers. For a fiery sauce, use habaneros or ghost peppers. Always wear gloves when handling hot peppers, and avoid touching your eyes.
- Fermentation time: The longer you ferment, the tangier and more complex the flavor. Taste after 5 days; if you prefer a stronger fermented flavor, let it go up to 10 days. Keep the jar away from direct sunlight.
- Substitutions: If you don’t have white vinegar, apple cider vinegar works well and adds a slightly fruity note. You can also add a teaspoon of sugar or honey to balance the heat if the sauce is too fiery.
- Common mistake: Using chlorinated tap water can inhibit fermentation. Always use filtered or bottled water. Also, don’t skip the salt—it’s essential for the fermentation process and flavor.
Serving Suggestions
This hot sauce is fantastic on tacos, burritos, eggs, grilled meats, roasted vegetables, and in marinades. It also makes a great dipping sauce for spring rolls or fried chicken. A few drops will liven up soups, stews, and even Bloody Marys.
Variations
- Smoky Chipotle: Replace half of the fresh chilies with dried chipotle peppers (rehydrated in hot water for 20 minutes). This adds a smoky, earthy depth.
- Fruity Habanero: Add 1/2 cup (about 85 g) of chopped mango or pineapple to the ferment. This adds a sweet, tropical note that pairs well with habanero heat.
- Extra Garlic: Double the garlic for a pungent, savory sauce that’s great on pizza and pasta.
Storage and Reheating
Store the hot sauce in a sealed bottle or jar in the refrigerator. It will keep for up to 3 months. The sauce does not need reheating—serve it cold or at room temperature. If you notice any separation, just shake the bottle before use.
Frequently Asked Questions
Can I use dried chilies instead of fresh? Yes, but you’ll need to rehydrate them in hot water for about 20 minutes before using. The flavor will be slightly different, but it works well.
Why is my sauce not bubbling? If you don’t see bubbles within 3 days, the fermentation may not have started. This can happen if the water was too chlorinated, the jar was too cold, or the salt content was off. You can try adding a teaspoon of brine from a previous ferment or a tiny pinch of sugar to kickstart it.
Is it safe to eat raw fermented sauce? The fermentation process creates an acidic environment that inhibits harmful bacteria. However, because this recipe includes a final simmer, it is safer for long-term storage. If you prefer a raw sauce, skip the simmer and store it in the fridge for up to 1 week.
Can I adjust the vinegar amount? Absolutely. Vinegar adds tang and helps preserve the sauce. If you prefer a less vinegary taste, reduce it to 1/4 cup (60 ml). If you like it more acidic, add up to 3/4 cup (180 ml).
How do I make it less spicy? Remove the seeds and membranes from the peppers before fermenting. This removes most of the capsaicin, which is the heat compound. You can also add more onion or garlic to dilute the heat.
Can I use this sauce in cooking? Yes, it’s great for cooking. Add it to chili, stir-fries, or marinades. Just remember that the heat will intensify slightly when cooked, so start with a small amount.
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