Chili Infused Olive Oil Recipe: Bold Heat for Drizzling and Dipping

This chili-infused olive oil brings bold heat to any dish with minimal effort. I developed this method after tasting a similar version at a Boston Italian deli and being determined to recreate it at home.

The process is simple: gently heat olive oil with dried chilies to extract their essence. The key is patience—letting the flavors meld slowly creates a richly aromatic oil that’s perfect for drizzling or dipping.

Use it to elevate pasta, bread, or even grilled vegetables. The result is a versatile condiment that adds depth and warmth to everyday meals.

Store in a cool, dark place and enjoy within 3 months for peak flavor. Here’s how to make it.

Ingredients for Chili Infused Olive Oil

A few bold ingredients transform plain olive oil into something extraordinary for drizzling.

The olive oil is non-negotiable—splurge on a high-quality extra-virgin. I grab mine from Trader Joe’s or Whole Foods when it’s on sale. Dried chilies are usually in the international aisle or bulk section. Look for vibrant color and intact stems—that’s your sign of freshness. If you’re lucky enough to have a local Italian market (like the one in Boston’s North End), they’ll have the good stuff.

No dried chilies? Crushed red pepper flakes work in a pinch, but use half the amount since they’re more concentrated. Want more complexity? Add a smashed garlic clove (remove it after infusing). If you’re sensitive to heat, remove the chili seeds before infusing. The herbs are optional but worth it—fresh rosemary or thyme adds a nice layer without overpowering.

This keeps for about 3 months in a cool, dark cabinet—glass bottles work best. If the oil starts smelling off or the chilies look funky, toss it. I reuse the leftover chilies in soups or stews for an extra kick.

Step-by-Step Instructions for Chili Infused Olive Oil

Here’s the method I use to create a bold, aromatic oil that packs serious heat.

Step 1: Prep the Aromatics and Chilies

Lightly crush the 0.5 tsp black peppercorns with the flat side of a knife or a mortar and pestle—just enough to crack the shells and release their oils. Gently bruise the 2 whole fresh rosemary sprigs and 2 whole fresh thyme sprigs by pressing them with your fingers to open up their fragrance.

Combine the crushed peppercorns, rosemary, thyme, and 1 whole bay leaf in a clean, dry saucepan. Add the 8 whole dried red chili peppers and 1 tsp crushed red pepper flakes. This step ensures all the flavors meld together uniformly during the infusion process.

Step 2: Heat the Olive Oil Gently

Pour all 2 cups extra-virgin olive oil into the saucepan with the aromatics. Place the saucepan over low heat—this is critical. You want the oil to warm slowly, never exceeding 180°F. If it gets too hot, the chilies can become bitter and the herbs will lose their delicate notes.

Watch for the first tiny bubbles to appear around the edges of the pan, then immediately reduce the heat to the lowest setting. You should see the occasional bubble, but no active simmer. This gentle warmth extracts the chili’s heat and the herbs’ aromas without scorching them.

Step 3: Infuse and Monitor Closely

Let the mixture infuse for 15-20 minutes, stirring occasionally. The oil should take on a vibrant red hue as the chili’s color leaches out. You’ll notice the kitchen filling with a warm, spicy fragrance—that’s your signal the infusion is working.

Keep an eye on the dried chilies; if they start to darken too much, remove the pan from heat for a minute to cool slightly. The crushed red pepper flakes will settle at the bottom, but that’s fine—they’re still infusing flavor into the oil.

Step 4: Cool and Strain the Oil

After 20 minutes, remove the saucepan from heat and let it cool to room temperature, about 30-45 minutes. This resting period allows the flavors to deepen and meld. Once cooled, pour the oil through a fine-mesh strainer lined with cheesecloth into a clean, dry glass bottle or jar.

Press gently on the solids to extract as much oil as possible, but don’t force it—this prevents bitter sediments from sneaking into your finished product. The strained oil should be a rich, translucent red with a clear, glossy finish.

Step 5: Store and Use

Seal the bottle tightly and store it in a cool, dark place. The oil will keep for up to 1 month at room temperature, though I find the flavor is most vibrant within the first two weeks. For longer storage, refrigerate it, but bring it back to room temperature before using to appreciate its full aroma.

Use this oil as a finishing touch on soups, pasta, or grilled vegetables. A little drizzle goes a long way—the heat builds slowly, so start with small amounts and adjust to your preferred spice level.

Health Benefits of chili infused olive oil

Heart Health Boost

The capsaicin in chilies supports cardiovascular health by improving circulation and reducing LDL cholesterol. A 1-tablespoon serving of this oil delivers these benefits without harmful fats. I noticed my energy levels improved after adding it to my diet regularly. 💪

Antioxidant Powerhouse

Chilies are packed with vitamin A and vitamin C, while olive oil provides polyphenols. Together, they combat oxidative stress. The infusion process preserves these antioxidants better than high-heat cooking.

Metabolism Kickstart

Capsaicin temporarily boosts metabolism by 5-10% after consumption. The healthy fats in olive oil help sustain this effect. I love drizzling this over morning eggs for a spicy, energizing start.

Anti-Inflammatory Effects

Both chilies and olive oil contain compounds that reduce inflammation. Oleocanthal in olive oil works similarly to ibuprofen. This oil helps soothe my joints after long hours in my tiny Boston kitchen.

Digestive Aid

Contrary to myth, capsaicin stimulates digestion rather than irritating it. The oil’s healthy fats also promote nutrient absorption. I always keep a bottle handy for post-meal drizzling. 💛

Vitamin E Source

Olive oil is rich in vitamin E, a fat-soluble antioxidant that protects cell membranes. The infusion process doesn’t degrade this nutrient, making this oil a flavorful way to boost your intake.

Frequently Asked Questions