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Pingjiang Dried Tofu (平江酱干 / dou fu gan)

Dongting Lake Style Snack & Staple

Prep30 min
Cook60 min
Serves4
DifficultyMedium
SchoolDongting Lake
SpiceMedium

Yueyang Pingjiang's famous snack — tofu braised in soy sauce and spices then baked to a chewy, savory dried treat. This Hunan recipe brings the bold flavors of Dongting Lake cuisine to your kitchen — perfect for both beginners and experienced cooks looking to explore the rich culinary traditions of Hunan province.

About Pingjiang Dried Tofu (平江酱干)

Pingjiang Dried Tofu (平江酱干) is a celebrated traditional snack originating from Pingjiang County in northeastern Hunan, a mountainous region historically known for its tofu-making heritage. The dish dates back over 200 years and became famous as a traveler's Provisions—sold along the ancient post roads connecting Pingjiang to the Yangtze River and beyond. Today, Pingjiang Jiang Gan is considered one of Yueyang's signature specialties and a treasured example of Dongting Lake-style home cooking, prized for its labor-intensive preparation and deeply savory, protein-rich character that reflects the resourcefulness of Hunan's mountain villages.

What Makes This Hunan?

In Pingjiang Dried Tofu, slow braising allows the chili heat to build gradually in layers, transforming tough cuts into tender, deeply flavored dishes. What sets it apart is the combination of the rock sugar that balances Hunan's heat with subtle sweetness and the dried red chilies that provide a different, deeper heat than fresh ones. This is Hunan food at its most honest — unapologetically spicy, deeply flavorful, and rooted in centuries of culinary tradition.

Ingredients

The following ingredients will make enough pingjiang dried tofu to serve 4 people. Adjust quantities as needed for larger or smaller portions.

  • 14 oz (400g) firm northern-style tofu (pressed for at least 2 hours to remove excess water)
  • 3 tbsp light soy sauce
  • 2 tbsp dark soy sauce
  • 1 tbsp Chinese rock sugar (or regular sugar)
  • 2 whole star anise
  • 1 small cinnamon stick (about 2 inches)
  • 1 tsp Sichuan peppercorns
  • 3 dried red chilies (Hunan-facing type, optional for traditional version)
  • 4 slices fresh ginger
  • 3 cloves garlic, smashed
  • 2 tbsp Shaoxing cooking wine
  • 1 tsp salt
  • 2 cups water

Step-by-Step Instructions

Step-by-Step Visual Guide

Prepare the dough or base. Prepare the base ingredient according to the recipe. For pingjiang dried

Preparation

Make the filling or topping. Prepare the filling or topping. Cook any meat fillings with soy sauce,

Building Flavor

Cook the snack. Heat oil in a pan or wok. For pan-fried items, cook over medium heat until golden on

Cooking & Finishing

  1. Press and Prepare the Tofu Start with extra-firm tofu and press it under a heavy weight for at least 2-3 hours, or overnight in the refrigerator, until the tofu is very firm and has released most of its water. Cut the pressed tofu into thick rectangular blocks about 2 inches long, 1 inch wide, and ½ inch thick. Pat each piece completely dry with paper towels. This pressing step is critical—Pingjiang-style tofu is known for its dense, chewy texture that can only be achieved through thorough moisture removal.
  2. Build the Braising Liquid In a wide, heavy-bottomed pot or wok, combine the light soy sauce, dark soy sauce, rock sugar, star anise, cinnamon stick, Sichuan peppercorns, dried chilies (if using), ginger slices, smashed garlic, Shaoxing wine, salt, and 2 cups of water. Bring the mixture to a vigorous boil over high heat, stirring to dissolve the sugar. Reduce the heat and let it simmer for 5 minutes so the spices can release their aromas into the liquid. The dark soy sauce gives the finished tofu its characteristic deep mahogany color that Pingjiang Jiang Gan is known for.
  3. Braise the Tofu Slowly Carefully lay the tofu pieces into the simmering braising liquid in a single layer—do not stir or flip them for the first 10 minutes to allow them to set. Then gently spoon the liquid over the tops of the tofu pieces. Continue to simmer uncovered on low heat for 45-60 minutes, turning the tofu pieces every 15 minutes so they absorb the color and flavor evenly. The liquid should reduce to a thick, glossy glaze that coats the tofu. If the liquid reduces too quickly, add a small amount of hot water to keep the tofu partially submerged.
  4. Dry-Bake for the Signature Chewy Texture Preheat your oven to 250°F (120°C). Line a baking sheet with parchment paper. Using tongs, transfer the glazed tofu pieces to the prepared baking sheet, spacing them apart. Place in the oven and bake for 30-40 minutes, flipping halfway through, until the surface is dry to the touch and the tofu has developed a slightly wrinkled, leathery exterior with a deeply caramelized color. Traditional Pingjiang producers sun-dry the tofu; oven baking achieves a similar concentrated, chewy result.
  5. Cool and Finish Remove the baked tofu from the oven and let it cool completely on the baking sheet—it will firm up further as it cools. The finished Pingjiang Jiang Gan should be chewy and slightly springy with a concentrated savory-spicy flavor. Some traditional makers brush the cooled tofu with a thin layer of sesame oil or chili oil for extra shine and flavor. Store in an airtight container at room temperature for up to 2 weeks, or refrigerate for longer storage.
Secrets to perfect pingjiang dried tofu
  • The quality of your tofu is paramount—use freshly made northern-style firm tofu if possible, as silken or pre-packaged soft tofu will not hold its shape during the long braising process.
  • Don't rush the braising step; the slow absorption of the soy-spice liquid is what gives Pingjiang Jiang Gan its signature layered flavor and deep mahogany color throughout each piece.
  • For an authentically Hunan flavor profile, add 1-2 dried Hunan chilies (such as Xiaomi chilies) to the braising liquid—the finished dried tofu should have a subtle, warming heat rather than overt spiciness.
  • If you don't have an oven, you can finish the tofu in a well-ventilated area by hanging the braised pieces on bamboo skewers and air-drying them in the sun for 2-3 days, turning occasionally, which is the traditional Pingjiang method.

Variations

Pingjiang Dried Tofu can be adapted in many ways. Here are some popular variations to try.

Spicy Pingjiang Jiang Gan (麻辣酱干)

Add 1 tbsp Pixian doubanjiang (broad bean paste) and 1 tsp ground Sichuan pepper to the braising liquid for a bolder, more intensely spicy and numbing version that pairs excellently with rice wine or beer.

Five-Spice Honey Glaze (五香蜜汁酱干)

Increase the rock sugar to 2 tbsp and add 1 tbsp honey during the last 10 minutes of braising for a sweeter, glossier finish that highlights the five-spice aromatics—a style popular as a gift specialty from Pingjiang markets.

Smoked Tofu Variant (烟熏酱干)

After baking, cold-smoke the dried tofu for 20 minutes over rice hull or tea leaves for a rustic, campfire-like aroma. This variation is traditionally enjoyed in winter months in Pingjiang mountain villages.

Common Mistakes to Avoid
  • Wok not hot enough — the oil should be shimmering but not smoking before you add ingredients.
  • Overcrowding the wok — cook in batches if needed; too much food at once causes steaming instead of stir-frying.
  • Cutting ingredients unevenly — uniform pieces ensure everything cooks at the same rate.
  • Adding sauce too early — let the ingredients sear first, then add sauce in the final 30 seconds.
Serve With

Serve immediately with steamed white rice — the dish should still be sizzling when it reaches the table. A simple soup like egg drop soup or tomato egg soup provides a cooling contrast. For a full Hunan spread, add one cold appetizer and one vegetable dish.

What Makes It Hunan

Pingjiang Dried Tofu is a quintessential Hunan dish that showcases the bold, unapologetic flavors of Xiang cuisine. Unlike Sichuan's numbing-spicy heat, Hunan cooking relies on dry, direct spiciness from fresh and dried chilies, complemented by the deep umami of fermented ingredients like duojiao (chopped salted chilies) and douchi (fermented black beans).

Hunan vegetable cooking celebrates the dry wok (gan guo) and the quick stir-fry (xiao chao). Eggplant is charred, beans are blistered, and leafy greens hit screaming-hot oil with garlic and dried chilies. The goal is vivid texture and a bright, mouth-watering sour-spicy balance.

Whatever the technique, the goal is the same: clean, layered flavors with a clear throughline of chili heat and the savory depth that only slow building — through fermentation, smoking, or patient braising — can produce.

Authentic vs Americanized

This recipe represents the Hunan preparation. Many Chinese-American restaurant versions of Hunan dishes add extra sugar, use pre-made sauces, or deep-fry ingredients that are traditionally stir-fried. The key difference is that Hunan cooking uses fresh whole chilies, fermented condiments like duojiao and douchi, and high-heat wok techniques — not thick, sweet sauces.

Nutrition

Estimated values per serving (recipe serves 4). Actual nutrition will vary depending on specific ingredients and portion sizes.

NutrientPer serving
Calories185 kcal
Protein14 g
Total fat9 g
Carbohydrates8 g
Sodium980 mg

Values are estimates. Actual nutrition will vary depending on specific ingredients and portion sizes.

Frequently Asked Questions

Why is my Pingjiang Jiang Gan soft instead of chewy?
Softness is almost always caused by insufficient pressing of the tofu before braising. The tofu must be pressed for at least 2-3 hours (ideally overnight) to remove enough moisture so it can absorb the braising liquid and develop a chewy, dense texture. Also, ensure you bake it long enough at low heat to dry out the exterior.
Can I use store-bought dried tofu to make this dish?
Authentic Pingjiang Jiang Gan is made from fresh tofu that is braised and then dried as part of the cooking process. Using pre-made dried tofu would skip the most important step—the slow absorption of the Hunan soy-spice braising liquid that defines this dish's flavor and color. Start with fresh firm tofu for the real experience.
How long does Pingjiang Jiang Gan keep, and how should it be served?
Properly dried and cooled, Pingjiang Jiang Gan keeps at room temperature in an airtight container for 2-3 weeks, and refrigerated for up to 2 months. It is traditionally served as a snack with tea, sliced thin and arranged on a plate, or paired with rice wine. It also works wonderfully diced into stir-fries or chopped as a topping for plain congee.

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About This Recipe

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HunanFlavor Editorial Team

Recipe researched and developed by the HunanFlavor editorial project

This recipe is part of our growing collection of Hunan dishes, presented with practical cooking notes; we welcome corrections and stronger source material.

Last updated: August 2026 | Learn about our process | Explore Hunan cuisine

Sources & References

  • Traditional Hunan home cooking techniques passed down through generations
  • Regional Hunan culinary guides and food history archives
  • Hunan provincial cooking methods and ingredient references
  • Our Hunan Cuisine Guide for cultural context