Flavoured fats & thickeners
Chili Crisp
辣椒油 · A chili-infused oil condiment originating from Sichuan and Cantonese cuisines, combining chili flakes and garlic in heated oil, producing a fiery, aromatic, and textural sauce used to season finished dishes at the table or during cooking.

The formula
10 parts oil : 2.5 parts chili flakes : 1 part garlic (by weight)
Scale all ingredients proportionally. Oil temperature must reach 180–200°C to bloom aromatics without burning. Cool to 130–140°C before adding chili flakes to develop color without scorching.
Identity
- Neutral high-smoke-point oil as the fat carrier
- Coarse chili flakes (not powder alone) for texture and color
- Garlic (fresh or dried) for aromatic backbone
- Low moisture content for shelf stability
- Aromatics bloomed in hot oil, not simmered
- Final condiment at room temperature, not strained
Ingredients
| Fat | Neutral oil (peanut, soybean, sunflower) | Must have smoke point above 200°C. Peanut oil is traditional for its nutty aroma. |
| Aromatics | Coarse red chili flakes | Not fine powder; retains texture. Sichuan erjingtiao or chaotianjiao preferred. |
| Aromatics | Fresh garlic cloves, thinly sliced | Adds sweetness and depth. Can substitute with dried garlic flakes at 30% weight. |
| Flavor | Sichuan peppercorns (whole or ground) | Adds má (numbing sensation). Essential in Sichuan-style; omit for Cantonese style. |
| Seasoning | Fine salt | Enhances flavor and preserves. Approximately 1% of total weight. |
| Flavor | Black vinegar or Chinese rice wine | A few drops added off heat for brightness in some versions. |
Method
- 1Measure oil into a wok or heavy saucepan. Add Sichuan peppercorns if using and heat to 180–200°C over high heat.High temperature blooms the peppercorns and extracts their aromatic oils without scorching them.
- 2Add sliced garlic to the hot oil. Fry 30–60 seconds until golden and fragrant, not brown.Garlic transitions from raw to sweet at this stage; browning indicates burning and bitter compounds.
- 3Remove pan from heat. Allow oil to cool to 130–140°C (approximately 2–3 minutes).This temperature window allows chili flakes to release their color and capsaicin without instantaneous burning.
- 4Add chili flakes and salt. Stir gently. The oil should sizzle gently, not vigorously.Controlled addition prevents thermal shock that would burn the chili, preserving its red color and fruity heat.
- 5Transfer to a heatproof bowl. Cool completely at room temperature. Cover and refrigerate overnight to meld flavors.Resting allows oil to fully penetrate chili and garlic particles, improving both flavor integration and texture.
Techniques that matter
Temperature-controlled infusion
Chili flakes contain both oils (for heat) and sugars (for color). Too hot burns the sugars, turning the flakes black and bitter; too cool fails to extract the chili oils.
Two-stage garlic frying
Garlic fried in very hot oil develops nutty sweetness; adding it before chili prevents it from absorbing oil and becoming soggy.
Aromatic blooming
Volatile aromatic compounds in garlic and peppercorns are fat-soluble; hot oil opens their cellular structure and carries these molecules into suspension.
Variations & derivatives
Cantonese-style chili oil (辣油)Guangdong, Hong Kong
Minimal garlic, often no peppercorns. Thinner oil, brighter red color. Used primarily as table condiment for dim sum and noodles.
Sichuan-style mala chili oil (麻辣油)Sichuan Province
Heavy on Sichuan peppercorns for tongue-numbing. Often includes cumin, star anise, and black cardamom. Chili flakes fried until deep red, almost burgundy.
Chile con ajoCuba, Cuban-American communities
Similar principle: chili and garlic in oil, but used as mojo for black beans, rice, and roast pork.
Mole-infused oilMexico
Dried guajillo or ancho chilies infused in oil with garlic for enchiladas and tamales.
Used in these dishes
Substitutions
- Sichuan peppercorns → Black pepper + pinch of citrus zest — Provides sharpness but not true má numbness; approximates heat without numbing effect.changes result
- Fresh garlic → Dried garlic flakes — Use at 30% weight; rehydrates slightly in hot oil. More convenient but less sweet.
- Coarse chili flakes → Chili powder + 1 tsp paprika — Works but lacks texture; add toasted sesame seeds to restore crunch.changes result
Troubleshooting
Chili flakes turn black and taste burnt
Oil too hot when added, or continued cooking after addition → Start with oil at 130–140°C; add flakes off primary heat. If burning occurs, discard and restart—burnt chili cannot be rescued.
Garlic burns to bitter black specks
Oil temperature exceeded 180°C or garlic added too early → Fry garlic separately in a controlled portion of oil to golden; add to finished chili oil off-heat.
Oil remains clear red with no heat or flavor
Oil temperature too low; insufficient extraction → Reheat finished oil gently to 150°C and hold 5 minutes; capsaicin needs heat to fully extract into fat.
Mold growth within 2 weeks
Insufficient dehydration of garlic or use of fresh herbs; contamination → Ensure all aromatics are thoroughly dried; add 1% salt by weight; store refrigerated; use clean, dry utensils.