Fly By Jing Zhong Sauce Recipe: Spicy-Sweet Umami Bomb for Noodles

This homemade Zhong sauce captures the signature balance of spicy, sweet, and umami that makes Sichuan cuisine so addictive. Developed through careful testing, the recipe replicates the complex layers of fermented chili, garlic, and soy that define this versatile condiment.

Perfect for tossing with noodles, using as a dipping sauce, or adding depth to stir-fries, this vegan-friendly version maintains authentic flavor while allowing for easy substitutions. The sauce keeps for weeks in the refrigerator, intensifying in flavor over time.

Ingredients for Fly by Jing Zhong Sauce

Ten carefully balanced ingredients replicate the addictive spicy-sweet-umami profile of Sichuan’s iconic Zhong sauce.

The **fermented chili bean paste (Doubanjiang)** is non-negotiable for authentic flavor. Optimal quality requires **Pixian brand** from Sichuan province, available at **Asian specialty markets** or online retailers like **The Mala Market**. Black vinegar must be **Chinkiang**—its malty depth cannot be replicated with rice vinegar. For **soy sauces**, **Pearl River Bridge** or **Lee Kum Kee** premium lines ensure proper fermentation and salt balance. Sichuan peppercorns lose potency quickly; purchase **whole** from **Penzeys** or **Kalpasi** and grind fresh for maximum numbing effect.

No access to Sichuan ingredients? **Gochujang** (Korean fermented chili paste) can substitute for doubanjiang at a **1:1 ratio**, though flavor will differ. **Balsamic vinegar** lacks Chinkiang’s complexity but works in a pinch—reduce quantity by **one-third**. For rock sugar, **coconut sugar** provides similar caramel notes without refining. Chili oil substitutions depend on heat preference: **Lao Gan Ma** for mild, **homemade infused oil** for customizable spice. Garlic and ginger are foundational—**fresh only**, as pre-minced lacks necessary volatility for aroma development.

Sauce develops complexity over time. Refrigerate in a **glass jar** for up to **4 weeks**; flavors peak at **2 weeks**. Oil separation is natural—**stir before use**. For long-term storage, freeze in **ice cube trays**, then transfer to bags for **6-month** preservation. Always use a **clean spoon** to prevent contamination. The garlic and ginger will mellow with age, while chili heat remains stable—adjust fresh additions if intensifying spice is desired after storage.

Step-by-Step Instructions for Fly By Jing Zhong Sauce

This method transforms simple ingredients into a complex, restaurant-quality sauce with perfect balance.

Step 1: Bloom the Aromatic Base

Heat the 2 tbsp Chili Oil in a wok or heavy skillet over medium-low heat until shimmering. Add the 8 cloves Garlic Cloves and 1.5 tbsp Fresh Ginger, stirring constantly for 2-3 minutes until fragrant but not browned. The garlic should soften without coloring, releasing its pungent aroma while the ginger’s citrusy notes become pronounced.

Immediately add the 1 tsp Sichuan Peppercorns and toast for 30 seconds until their floral, citrusy aroma intensifies. This brief toasting activates the peppercorns’ signature numbing quality without burning them. Remove from heat temporarily to prevent overcooking while you prepare the next ingredients.

Step 2: Develop the Umami Foundation

Return the wok to medium heat and add the 0.5 cup Fermented Chili Bean Paste (Doubanjiang). Stir vigorously for 3-4 minutes as the paste darkens slightly and releases its deep, funky aroma. The oil will separate and the paste will become glossy – this indicates the fermentation compounds are fully activated.

Add the 2 tbsp Light Soy Sauce and 1 tbsp Dark Soy Sauce, stirring to incorporate. The mixture will darken significantly as the soy sauces caramelize with the chili paste. Cook for an additional 2 minutes until the sauce develops a sticky consistency that coats the back of a spoon.

Step 3: Balance with Sweet and Sour Elements

Reduce heat to low and add the 2 tbsp Rock Sugar, stirring constantly as it dissolves completely. The sugar will initially cause the sauce to seize up slightly before melting into a glossy sheen. This transformation typically takes 2-3 minutes of constant stirring.

Pour in the 3 tbsp Chinkiang Black Vinegar and stir for 1 minute until fully incorporated. The vinegar’s sharp acidity will cut through the richness, creating a more complex flavor profile. The sauce should now have a balanced sweet-sour aroma with visible sheen from the dissolved sugar.

Step 4: Finish and Infuse the Sauce

Remove the wok from heat and stir in the 1 tbsp Toasted Sesame Oil. The oil’s nutty aroma will become immediately apparent. Let the sauce rest for 5 minutes off heat – this allows the sesame oil to infuse fully without cooking off its volatile aromatic compounds.

The finished sauce should have a viscous consistency that clings to a spoon, with visible specks of garlic, ginger, and peppercorns suspended throughout. The color will be a deep mahogany with red undertones from the chili oil and paste.

Step 5: Cool and Store for Optimal Flavor

Transfer the sauce to a clean glass jar and let it cool to room temperature, about 30 minutes. As it cools, the flavors will meld and intensify. The sauce will thicken slightly upon cooling but remain pourable.

For best results, refrigerate the sauce for at least 4 hours before using. This resting period allows the flavors to harmonize completely. The sauce will keep in the refrigerator for up to 3 weeks, with the flavors continuing to develop over time. Always bring to room temperature before serving to fully appreciate its complex aroma and texture.

Essential Equipment for fly by jing zhong sauce

Essential Wok Selection

For authentic Zhong sauce, you need a carbon steel wok—it heats quickly and distributes heat evenly. I recommend the 14-inch Joyce Chen wok for home cooks; it’s lightweight yet durable. Season it properly before first use by heating with 2 tbsp vegetable oil until smoking, then wiping clean. 🔥

Precision Thermometer

A reliable instant-read thermometer ensures perfect temperature control during the aromatic blooming stage. I use the ThermoWorks ThermoPop—it’s affordable and accurate to ±1°F. This prevents burning the garlic and ginger while maximizing flavor extraction from the Sichuan peppercorns.

Quality Glass Storage

After making your sauce, store it in airtight glass jars to preserve freshness. I prefer 16-ounce mason jars with wide mouths for easy spoon access. The glass won’t absorb odors or flavors, and you can see the beautiful color development over time as the sauce matures.

Fine Mesh Strainer

While optional, a fine mesh strainer helps achieve silky texture if you prefer a smoother sauce. I use the OXO Good Grips 5-inch strainer for small batches. Press the sauce through with a spatula to remove larger garlic and ginger pieces while keeping all the flavor.

Mortar and Pestle

For grinding Sichuan peppercorns, nothing beats a granite mortar and pestle. I’ve had my ChefSofi 6-inch model for years—it crushes the peppercorns to the perfect consistency without losing their volatile oils. The texture should be fine but not powdery to maintain the signature numbing effect.

Heat-Resistant Spatula

You’ll need a high-heat silicone spatula to scrape every bit of flavor from your wok. I swear by the DI Oro Chef Series—it handles 600°F without melting and has a sharp edge for clean scraping. This ensures you don’t waste any of that precious umami-rich sauce stuck to the wok. 💛

Frequently Asked Questions