Peking Sauce Recipe: Sweet and Tangy Glaze for Duck or Dipping

This Peking sauce delivers the classic balance of sweet, tangy, and umami that defines authentic Chinese flavors. I developed this version after years of experimenting with ratios to achieve the perfect glaze consistency.

The foundation combines hoisin sauce, soy sauce, and rice vinegar, with a touch of sugar to round out the acidity. Five minutes on the stove transforms these simple ingredients into a glossy, restaurant-quality sauce that clings beautifully to duck or works as a dipping condiment.

What you get is a versatile sauce with deep, complex flavor that elevates any dish it touches. The slightly thick texture makes it ideal for brushing on roasted meats or serving alongside spring rolls.

Make a double batch and store in the refrigerator for up to two weeks. The flavors continue to develop over time.

Ingredients for Peking Sauce

Nine simple ingredients create that classic sweet-tangy balance everyone loves

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The hoisin is key here. Koon Chun or Lee Kum Kee are the gold standard—avoid the super cheap brands (they taste like sugar with a hint of soy). Asian markets have the best selection, but most supermarkets carry at least one solid option. Look for a thick, dark sauce with a complex aroma. The soy sauce should be low-sodium so you can control the salt level yourself.

No rice vinegar? Apple cider vinegar at half the amount works in a pinch. Fresh ginger is ideal but ground ginger at one-quarter the amount gets you close. The cornstarch can be swapped for arrowroot powder if that’s what you’ve got. Want more depth? Add 1 tsp of oyster sauce—it’s traditional in many versions (just check for fish allergies first).

This glaze keeps beautifully. Store in an airtight container in the fridge for up to 2 weeks. The flavors actually improve after a day or two. Freezes well for 3 months too—perfect for making ahead. Just give it a stir before using, as it may separate slightly.

Step-by-Step Instructions for Peking Sauce

This sauce comes together quickly with simple steps and delivers bold flavor every time.

Step 1: Combine the Base Ingredients

In a medium saucepan, combine the 0.5 cup Hoisin Sauce, 0.25 cup Soy Sauce, 2 tbsp Rice Vinegar, and 2 tbsp Granulated Sugar. Stir well to blend the ingredients, ensuring the sugar begins to dissolve in the liquid. I like to use a whisk for this step to break up any clumps in the hoisin.

Set the saucepan over medium heat and bring the mixture to a gentle simmer. You’ll see small bubbles forming at the edges—that’s your cue. This base creates the perfect balance of sweet, salty, and tangy that defines peking sauce.

Step 2: Add Aromatics for Depth

While the mixture heats, finely mince the 3 cloves Garlic Cloves and grate the 1 tbsp Fresh Ginger. Add both to the saucepan along with the 1 tsp Sesame Oil. Stir to distribute the aromatics evenly throughout the sauce.

The garlic and ginger should sizzle slightly when they hit the warm liquid, releasing their fragrant oils. Let them simmer for 1-2 minutes until the raw edge of the garlic mellows but doesn’t brown. This step builds the complex, savory backbone of the sauce.

Step 3: Create the Slurry and Thicken

In a small bowl, mix the 1 tsp Cornstarch with the 2 tbsp Water until smooth and free of lumps. This slurry will thicken the sauce to that perfect glaze-like consistency. Pour it into the saucepan while stirring constantly to prevent clumping.

Continue stirring as the sauce simmers for another 2-3 minutes. You’ll notice it gradually thicken, coating the back of a spoon with a glossy sheen. The sauce should reduce slightly but remain pourable—if it gets too thick, add a splash of water to loosen it.

Step 4: Adjust and Finish

Taste the sauce and adjust the seasoning if needed. If it’s too sweet, a tiny splash of rice vinegar brightens it up. If it’s too tangy, a pinch of sugar balances it out. I usually find the initial balance spot-on, but cooking is all about taste as you go.

Remove the saucepan from heat and let the sauce cool for 5 minutes. It will thicken a bit more as it cools, reaching that ideal consistency for glazing duck or using as a dipping sauce. The flavors will also meld together beautifully during this rest.

Common Mistakes When Making peking sauce

Skipping the Slurry

I’ve seen many cooks forget to mix the 1 tsp Cornstarch with 2 tbsp Water first. Adding dry cornstarch directly to hot liquid creates clumps that are nearly impossible to smooth out. This ruins the sauce’s silky texture. 💡

Overcooking the Aromatics

Letting the 3 cloves Garlic Cloves and 1 tbsp Fresh Ginger brown in the pan adds bitterness. Cook them just until fragrant, about 1-2 minutes. Burnt garlic has a harsh, acrid taste that overpowers the sauce’s delicate balance.

Wrong Heat Level

Using high heat instead of medium heat causes the sugars to caramelize too quickly, leading to a burnt flavor. Keep the heat moderate to allow the flavors to meld gradually without scorching the sauce.

Not Tasting As You Go

The perfect balance of sweet and tangy is personal. I always taste after adding the 2 tbsp Rice Vinegar and 2 tbsp Granulated Sugar. Adjust with a pinch more sugar or splash of vinegar to suit your preference.

Ignoring Consistency

Your sauce should coat the back of a spoon but still be pourable. If it’s too thin, simmer for another 1-2 minutes. If too thick, add 1 tbsp Water at a time until you reach the ideal glaze-like texture.

Skipping the Rest

Letting the sauce cool for 5 minutes after cooking is crucial. This allows the flavors to meld and the sauce to reach its final consistency. Serving it too hot can make it appear thinner than it actually is.

Frequently Asked Questions