Liang Pi (Cold Skin Noodles)

Name: Liang Pi (Cold Skin Noodles)
Total time: 6 h
Yield: Serves 4
Cuisine: Chinese
Ingredients: 300 g bread flour, ½ tsp (2 g) salt, 170 ml water — kneaded to the firm, smooth dough, rested 1 hour; Water for the washing: about 1.2 litres, in a large bowl; The settled starch water (the wash's whole dividend); A flat tray or the dedicated liang pi pan, lightly oiled; a pot of boiling water at the full 100 °C steam; 2 tbsp (30 ml) chilli oil with its sediment; 1 tbsp (15 ml) Chinkiang black vinegar, 1 tbsp (15 ml) light soy; ½ tsp (2 g) salt, ½ tsp (3 g) sugar, ¼ tsp (1 g) Sichuan pepper powder; 1 clove garlic, grated into 1 tbsp (15 ml) water — the garlic water's splash; 100 g cucumber, julienned; the gluten's pieces (the dough's second texture), torn to bites

Chinese · Hard · Serves 4

The Xi'an street's most engineered noodle and the wheat's own sleight of hand: the dough washed in water until the starch runs free, the starchy water settled overnight and steamed to the bouncy, translucent sheets — the liang pi ("cold skin") whose chewy-slick texture no shortcut reaches, dressed at the cold bowl with the chilli oil, the black vinegar and the gluten's own chewy bites alongside. The technique is the wash and the settle, the two patient stages that turn one dough into two textures — the sheets and the gluten.

Quantities live in the recipe card.

The dough and its wash

kneaded to the firm, smooth dough, rested 1 hour

The sheets' steam

The bowl's dressing (per bowl)

the garlic water's splash

- The wash's patience — the dough's starch freed by hand: the rested dough kneaded and squeezed in the bowl of water, the water clouding white with the starch as the gluten's elastic network firms in the hand — the washing's 10–15 minutes to the water's full milkiness and the gluten's compact, springy ball (held under the running argument of three or four changes of the water's fresh). - The settle's long patience — the starch water's overnight argument: the combined wash water rested 4 hours or overnight at the counter's cool, the starch sinking to the bowl's floor and the clear water rising above — the clear water poured off to the starch slurry's surface (a spoon's depth left above), the slurry whisked smooth. This settle is the sheet's whole engineering: the poured water's ratio the sheet's firmness, the unsettled water the fragile sheet's certain end.

Step 1. The gluten's cook and the slurry's readiness. The washed gluten ball simmered 20 minutes in the small pot to the cooked, springy sponge, cooled and torn to the bite's pieces; and the settled slurry whisked to the even, barely-pourable consistency (the cream's thickness — the spoon's ribbon closing slowly), the tray oiled. Checkpoint — the slurry's test: a thin layer poured to the tray's film sets to the sheet's edge in the steam's 90 seconds (the next stage's proof), and the cooked gluten springs at the finger's press — the two textures' foundations both ready.

Step 2. The sheets' steam — 90 seconds a sheet, the cold-water shock between. The tray's film of slurry (2–3 mm poured, the tray tilted to the even coat) floated on the boiling water's full 100 °C steam, covered 90 seconds to the sheet's blistering set and the translucent turn — the tray lifted straight to the cold water's bath, the sheet cooled to the peel's freedom and lifted whole to the oiled plate, each sheet's face oiled before the next stacks. Checkpoint — each steamed sheet runs the translucent, faintly blistered surface with the bounce's return at the finger's press (the fold's spring — no crack, no tear), and the peel's whole freedom at the cold bath's lift — the sheet's thickness the batch's one variable, the thicker pour the chewier argument, the too-thin the fragile end.

Step 3. The cut and the cold bowl. The stacked sheets cut to the wide noodles' ribbons, and the bowl built: the liang pi's ribbons with the gluten's bites and the cucumber's julienne, the dressing's elements whisked and poured — the chilli oil's streak last — and the whole tossed at the table's moment. Checkpoint — the eating test: the ribbon's bouncy, slippery chew (the hand-washed starch's own texture — the machine's imitations refused) with the gluten's dense spring between, the dressing's fire-sour-garlic flood and the cucumber's cool snap — the Xi'an street's whole engineered argument at the home bowl's patience. Chef’s Note — the cold-water shock between the sheets is the stack's whole insurance and the street cart's own speed: the oiled, cooled sheets release each other at the stack, where the warm sheet's starch welds to the next at the touch — the tray's cold bath (the sheet's full cool at the float) and the oil's brush (the face's thin seal) the two disciplines of the batch's rhythm. The dedicated liang pi pan's two-tray alternation is the cart's cadence; the home kitchen's one tray at the boil's patience the honest same argument.

Doneness & Quality Checkpoints

The wash: the starch water's full milkiness, the gluten's springy ball.
The settle: the overnight sink, the poured clear water, the cream's whisked slurry.
The sheets: the 90-second blistered set, the cold shock's peel, the stack's oiled freedom.

Finish & Plate

The cold bowl's ribbons piled with the gluten and cucumber, the dressing poured and the chilli oil's streak — the street's service at the table's toss. The extra sheets keep (see below) for the bowl's on-demand speed.

Liang Pi (Cold Skin Noodles)

Prep: 1 hour, plus 4 hours dough resting · Cook: 40 minutes · Total: About 6 hours (mostly resting) · Serves 4

Ingredients

The dough and its wash

300 g bread flour, ½ tsp (2 g) salt, 170 ml water — kneaded to the firm, smooth dough, rested 1 hour
Water for the washing: about 1.2 litres, in a large bowl

The sheets' steam

The settled starch water (the wash's whole dividend)
A flat tray or the dedicated liang pi pan, lightly oiled; a pot of boiling water at the full 100 °C steam

The bowl's dressing (per bowl)

2 tbsp (30 ml) chilli oil with its sediment
1 tbsp (15 ml) Chinkiang black vinegar, 1 tbsp (15 ml) light soy
½ tsp (2 g) salt, ½ tsp (3 g) sugar, ¼ tsp (1 g) Sichuan pepper powder
1 clove garlic, grated into 1 tbsp (15 ml) water — the garlic water's splash
100 g cucumber, julienned; the gluten's pieces (the dough's second texture), torn to bites

Instructions

The gluten's cook and the slurry's readiness. The washed gluten ball simmered 20 minutes in the small pot to the cooked, springy sponge, cooled and torn to the bite's pieces; and the settled slurry whisked to the even, barely-pourable consistency (the cream's thickness — the spoon's ribbon closing slowly), the tray oiled. Checkpoint — the slurry's test: a thin layer poured to the tray's film sets to the sheet's edge in the steam's 90 seconds (the next stage's proof), and the cooked gluten springs at the finger's press — the two textures' foundations both ready.
The sheets' steam — 90 seconds a sheet, the cold-water shock between. The tray's film of slurry (2–3 mm poured, the tray tilted to the even coat) floated on the boiling water's full 100 °C steam, covered 90 seconds to the sheet's blistering set and the translucent turn — the tray lifted straight to the cold water's bath, the sheet cooled to the peel's freedom and lifted whole to the oiled plate, each sheet's face oiled before the next stacks. Checkpoint — each steamed sheet runs the translucent, faintly blistered surface with the bounce's return at the finger's press (the fold's spring — no crack, no tear), and the peel's whole freedom at the cold bath's lift — the sheet's thickness the batch's one variable, the thicker pour the chewier argument, the too-thin the fragile end.
The cut and the cold bowl. The stacked sheets cut to the wide noodles' ribbons, and the bowl built: the liang pi's ribbons with the gluten's bites and the cucumber's julienne, the dressing's elements whisked and poured — the chilli oil's streak last — and the whole tossed at the table's moment. Checkpoint — the eating test: the ribbon's bouncy, slippery chew (the hand-washed starch's own texture — the machine's imitations refused) with the gluten's dense spring between, the dressing's fire-sour-garlic flood and the cucumber's cool snap — the Xi'an street's whole engineered argument at the home bowl's patience.

Troubleshooting

Symptom	Cause	Fix
Sheets shredded at the peel	The settle's patience cut, or the pour too thin	The overnight settle; the 2–3 mm pour's measure
Sheets sticky at the stack	The warm sheet stacked, or the oil's brush skipped	The cold bath's full cool; the face's oiled seal
Ribbons' chew absent, the texture soft	The slurry over-poured, or the steam's clock short	The clear water's bold pour; the 90-second blister

Storage, Make-Ahead & Variations

- The oiled sheets keep 2 days refrigerated (the sealed wrap's cover — the dry fridge the sheets' brittleness's own cause), the bowl's assembly on demand; the dressing holds 3 days in a jar. - The Xi'an bowl's dials run the sesame paste's richer school and the wider "liang pi" family's mung-bean cousin (the shan xi liang fen's other argument); the gluten's vegetarian bites doubled for the meatless bowl. The same wash's doctrine at the wheat's finer grind runs the rippled mian jin's other canon. - The canon's seat: the Xi'an street canon's engineered master — the washed starch's sheets and the gluten's bites — at the cold bowl's own first rank.