Cantonese Wonton Broth

Place the pork bones and skin in a large pot and cover with cold water. Bring to a rapid boil over high heat. As the water heats, a grey-white foam will rise to the surface — this is coagulated blood proteins, myoglobin, and impurities. Allow the water to come to a full boil for 2–3 minutes, during which the foam will erupt in quantity. Drain the pot completely, then rinse each bone and piece of skin under cold running water, scrubbing off any remaining grey foam or bone fragments with your hands. This blanching step is non-negotiable for a clear, clean-tasting Cantonese broth — skipping it produces a darker, cloudier stock with a livery undertone.

Transfer the blanched bones to a clean pot. Add cold water, the rinsed dried shrimp, tied scallion knot, bruised ginger slices, and Shaoxing wine. Bring to a simmer over medium-high heat — this transition to the first simmer will again produce some foam; skim it off with a fine-mesh skimmer or ladle, but there will be far less than in the blanch. Once the broth reaches a gentle simmer, reduce heat to maintain the merest trembling of the surface — tiny, barely-there bubbles rising from the bottom. This is critical: a rolling boil emulsifies fat and proteins into the liquid and creates a cloudy, white broth; a true Cantonese wonton broth must remain clear. Hold this gentle simmer for 2 hours, skimming occasionally.

After 2 hours, remove the pot from the heat and let it rest for 10 minutes — this allows any remaining particulate matter to settle. Set a fine-mesh strainer lined with a double layer of damp cheesecloth over a clean pot or large bowl. Ladle the broth through the cheesecloth without pressing or squeezing the solids — allowing only gravity to drain the broth produces the clearest result. Discard the spent bones, shrimp, scallion, and ginger. If the broth is still cloudy, it can be clarified further by letting it settle completely, then carefully ladling only the top, clearest portion into the serving pot, leaving any cloudy sediment behind.

Return the strained broth to a clean saucepan and bring to a gentle simmer. Season with fine salt gradually, tasting after each addition — the broth was cooked with very little salt intentionally, and the final seasoning should bring it to a forward but not aggressive saltiness. Add freshly ground white pepper and stir to combine. White pepper (rather than black) is essential to Cantonese wonton broth — it provides a clean, almost floral heat without the visual specks of black pepper that would mar the clear broth. Taste the final broth: it should be deeply savory, lightly sweet from the pork and shrimp, warm from the white pepper, and leave a long, pleasurable aftertaste. To serve as wonton soup, ladle hot broth over freshly cooked wontons and egg noodles, add a drizzle of scallion oil, and scatter sliced scallion.