Aromatic bases & spice pastes
Sichuan Hot-Pot Base
麻辣火锅底料 · A cooked aromatic paste of wok-fried doubanjiang, dried Sichuan chilies, and toasted ground Sichuan peppercorns, bloomed in oil with garlic, ginger, and scallion. It provides the characteristic má (numbing) and là (pungent-hot) balance and fermented depth essential to Sichuan hot pot, mapo tofu, and related dishes. The base is always cooked — never raw — and must develop its red oil through controlled frying at 140–160°C.
The formula
7 oil : 4 doubanjiang : 3 chili (by wt.)
Example for ~1 kg batch: 350g soybean oil, 200g Pixian doubanjiang, 150g Er Jing Tuo or G178 dried chilies, 80g garlic, 50g ginger, 60g scallion whites, 20g toasted Sichuan peppercorns, 10g bay leaf, 5g star anise, 5g white cumin, 1g cloves, 2g black cardamom, 15g fermented black beans, 10g salt, 5g sugar. Scale all weights proportionally.
Identity
- Pixian doubanjiang — fermented 1–3 years, providing the essential savory-umami backbone; no substitute replicates its depth
- Sichuan peppercorns (hua jiao) — source of má, the numbing sensation; must be toasted and ground
- Er Jing Tuo or G178 dried chilies — superior to generic flakes; G178 offers color and moderate heat, Er Jing Tuo adds complexity
- Oil temperature 140–160°C for doubanjiang frying — drives off raw-bean smell, develops red oil without burning
- Five-aromatic spices (bay leaf, star anise, cumin, clove, black cardamom) — traditional structural aromatics that deepen and round the profile
Ingredients
| Fat | Soybean oil or rapeseed blend | High smoke point (215°C+); 35–40% of batch weight. |
| Base | Pixian doubanjiang (fermented chili bean paste) | Must be fried until oil separates and raw bean smell disappears; 20–25% of batch weight. |
| Aromatics | Er Jing Tuo or G178 dried Sichuan chilies | Snipped or roughly broken; 15–20% of batch weight. Do not substitute generic chili flakes. |
| Aromatics | Garlic and ginger | Roughly chopped; ~80g garlic, 50g ginger per 1 kg batch. |
| Aromatics | Scallion (white parts only) | ~60g per 1 kg batch for allium sweetness. |
| Flavor | Sichuan peppercorns (hua jiao) | Toast until fragrant, then grind coarsely; ~20g per 1 kg batch. |
| Flavor | Five-aromatic spices (bay leaf, star anise, white cumin, cloves, black cardamom) | Traditional; ~25g total per 1 kg batch. |
| Seasoning | Fermented black beans (douchi) and salt | Douchi adds aged-umami depth; omit for a cleaner herbal profile. |
Method
- 1Toast Sichuan peppercorns in a dry wok over medium heat, stirring constantly, until fragrant (30–45 seconds). Transfer to a mortar, cool slightly, and grind coarsely. Set aside.Toasting activates volatile numbing alkaloids (sanshool) and aromatic terpenes; grinding releases them into the paste.
- 2Heat oil to 140–150°C. Add five-aromatic spices (bay leaf, star anise, cumin, clove, black cardamom). Fry 60–90 seconds until darkened and perfumed.Fat-soluble aromatic compounds extract into the oil at controlled temperature, building a perfumed lipid base without burning.
- 3Add garlic and ginger. Fry 2–3 minutes at 150–160°C until golden, raw smell gone. Add scallion whites; fry 1 more minute.Alliums and ginger contain water (5–10%); sizzling signals water evaporation, concentrating flavor and developing Maillard compounds.
- 4Push aromatics aside. Add doubanjiang directly to hot oil. Fry, stirring constantly, for 4–6 minutes, pressing and folding. Oil turns deep red; raw fermented-bean smell disappears.Doubanjiang contains 15–20% water; frying drives off moisture, concentrates umami compounds (glutamate, adenylate), and disperses capsaicin into fat.
- 5Add dried chilies (snipped or broken) and fermented black beans. Stir-fry 2–3 minutes. Oil should be vivid red; chilies aromatic, not harsh or smoky.Brief frying in hot fat blooms volatile chili compounds and extracts color (capsanthin) without degrading them through overcooking.
- 6Remove from heat. Add ground Sichuan peppercorns, salt, and sugar. Stir thoroughly.Off-heat addition prevents sanshool degradation above 100°C. Sugar balances fermented saltiness; salt seasons the paste.
- 7Cool completely. Transfer to clean, dry glass jars. Seal tightly.Residual moisture promotes mold; cooling prevents condensation inside sealed containers.
Techniques that matter
Fat-blending extraction
Fat is the solvent for oil-soluble compounds in doubanjiang, chilies, and peppercorns. Oil must be hot enough to extract but not so hot as to burn aromatics.
Controlled wok-frying (lào yóu)
Doubanjiang and chili require sustained contact with hot fat to eliminate raw fermented-bean smell and develop deep-red color and concentrated flavor.
Off-heat seasoning
Adding ground Sichuan peppercorns off-heat prevents rapid degradation of sanshool alkaloids, preserving maximum numbness.
Variations & derivatives
Chongqing-Style Hot-Pot BaseChongqing municipality
Higher beef tallow ratio (20–30% of fat), more Sichuan peppercorns (up to 3–4×), bull horn chilies. May omit doubanjiang in favor of raw chili paste for a more rustic, numbing-heavy profile.
Chengdu Mild-Red BaseSichuan province
Lower chili-to-oil ratio, softer doubanjiang, producing lighter red broth. May include goji berries and dried chrysanthemum for sweetness and cooling effect.
Yu Xiang (Fish-Fragrant) Aromatic BaseSichuan province
Derivative: doubanjiang, ginger, garlic, scallion, and fermented black beans fried in oil — but omitting chili and Sichuan peppercorns. Foundation for yu xiang dishes (fish-fragrant eggplant, fish-fragrant pork).
Dry Hot-Pot Base (Gan Guo)Chongqing
Thicker, drier paste with less oil, higher doubanjiang, and Yongchuan doubanjiang added. Used for dry-pot dishes where base adheres without large broth volume.
Used in these dishes
Substitutions
- Pixian doubanjiang → Yongchuan-style doubanjiang — Viable but shifts heat balance; use 20% more and expect saltier, more intensely fermented result.
- Er Jing Tuo / G178 dried chilies → Korean gochugaru + Kashmiri chili powder — Not a direct Sichuan match; gochugaru provides fruity depth, Kashmiri adds color. Acceptable only for non-authentic kitchens.changes result
- Sichuan peppercorns → Timur pepper (Himalayan) or sansho powder — Timur provides mild numbing; sansho has citrus notes. Neither replicates true sanshool numbness of hua jiao.changes result
- Soybean oil → Rapeseed or peanut oil — All have smoke points above 210°C. Peanut oil adds faint nuttiness; rapeseed is most neutral.
Troubleshooting
Oil stays pale yellow; doubanjiang sinks and does not bloom
Oil temperature too low (below 130°C); doubanjiang steams instead of frying → Bring oil to 145–150°C before adding doubanjiang. If paste was added cold, discard and restart. Water in doubanjiang must flash-evaporate to fry properly.
Base tastes harsh or acrid — chili flavor aggressive without depth
Dried chilies added too early and over-fried, degrading volatile fruity-esters; or oil temperature above 175°C → Add dried chilies last, after doubanjiang has bloomed. If batch is burnt, discard and start fresh. Add chilies off-heat at 130–140°C for only 2–3 minutes.
Base loses numbness within hours; finished dish has no má
Ground Sichuan peppercorns added while wok was still on heat — sanshool alkaloids degraded by sustained high temperature → Always add ground peppercorns off-heat, with wok removed from burner. If batch is finished, fresh ground peppercorn sprinkled at service will partially restore má.
Mold or off-odor after 1–2 weeks in refrigeration
Insufficient cooking before storage; residual moisture; or contaminated utensils → Cook until oil separates and is glossy. Cool completely. Store in airtight glass with thin oil layer on top (oxygen barrier). Use clean, dry utensils. If any doubt, freeze.