Chashu is the melt-in-your-mouth rolled pork belly that crowns a bowl of ramen. The pork is seared, then gently simmered in a sweet-savory bath of soy, mirin, sake, and aromatics until buttery tender. A short rest in the chilled braising liquid deepens the color and flavor for picture-perfect slices.
Prep Time20 mins
Cook Time95 mins
Total Time115 mins
Servings4
Yield4 servings (about 6 cups sliced pork)
Nutrition Facts
Per serving (estimated)
- 640 kcalCalories
- 50 gFat
- 19 gSaturated Fat
- 14 gCarbs
- 0 gFiber
- 11 gSugar
- 28 gProtein
- 1480 mgSodium
- 420 mgPotassium
- 35 mgCalcium
- 1.6 mgIron
- 2 mgVitamin C
- 8 mcgVitamin A
Ingredients
For the pork
- 1 kg (2.2 lb) skinless pork belly, in one rectangular piece
- 2 tablespoons neutral oil
- Kitchen twine
For the braising liquid
- 1 cup (240 ml) soy sauce
- 1 cup (240 ml) mirin
- 1/2 cup (120 ml) sake
- 1/2 cup (100 g) granulated sugar
- 4 garlic cloves, smashed
- 1-inch piece fresh ginger, sliced
- 2 green onions, cut into 2-inch pieces
- 2 whole star anise
- 3 cups (720 ml) water
Directions
- Roll the pork belly tightly from one short end, skin side facing out, and tie securely with kitchen twine at 1-inch intervals so it keeps its shape while cooking.
- Heat the oil in a Dutch oven over medium-high heat. Sear the rolled pork on all four long sides until deeply golden, about 2 to 3 minutes per side; transfer to a plate.
- In the same pot, combine the soy sauce, mirin, sake, sugar, garlic, ginger, green onions, star anise, and water, stirring until the sugar fully dissolves.
- Return the pork to the pot; the liquid should cover at least three-quarters of the roll. Bring to a boil, skim off any foam, then reduce the heat to maintain a gentle simmer.
- Cover and simmer for 90 minutes, turning the roll every 30 minutes so it cooks and colors evenly on all sides.
- Lift the pork out and let it cool on a plate. Strain the braising liquid and reserve; pour about 1 cup of the warm liquid into a shallow container.
- Place the cooled pork in the container, pour the reserved braising liquid over it, cover, and refrigerate at least 4 hours or overnight for the deepest flavor and cleanest slices.
- Pat the chilled pork dry, snip off the twine, and slice across the grain into 1/4-inch-thick rounds; serve over ramen, rice bowls, or steamed bao.
Cook’s Notes
- Chill the pork overnight in the strained braising liquid for easier slicing and a more savory, mahogany color.
- Reduce 1 cup of the reserved braising liquid with 1 tablespoon honey for a glossy finishing glaze to drizzle over sliced chashu.
- Choose pork belly with evenly distributed layers of fat and meat for the tenderest texture; avoid pieces that are mostly fat.
- Save the leftover braising liquid as a flavor booster for ramen broth, fried rice, or braised eggs.
- A meatier half (shorter and thicker) will slice into more attractive rounds than a long, thin roll.










