Crispy Char Siu Pork Ribs (Oven Roast Recipe)
Roast pork ribs covered at 300°F (149°C) for 2 to 2½ hours, until tender, then brush on a thin char siu glaze and roast uncovered at 425°F (218°C) for 8 to 12 minutes. This two-stage method softens the meat before the sugars brown. Rest the ribs, then cut between the bones and serve.
A good rack of ribs should not demand a fire extinguisher. The trick is to let the pork turn tender first, then add its sweet, savory glaze near the end. That way, the sugars can brown without spending hours in the oven.
This method works with a standard home oven and either an oven-safe roasting pan with a rack or a foil-lined rimmed sheet pan. The finish is sticky and browned, not deeply charred. Allow about 2½ to 3 hours from prep to serving, including resting time.
Cookware, Oven Setup & Rib Preparation
The right pan and a dry, well-prepared rack help the ribs cook evenly and make cleanup easier. Use cookware whose oven rating suits the temperature you need, especially if you plan to broil. A little care before roasting also helps the glaze cling and brown rather than slide off wet meat.
What you need
- 1 rack pork ribs, about 2½ to 3 pounds
- 1 teaspoon kosher salt, or ¾ teaspoon fine salt
- ½ teaspoon black pepper
- 1 teaspoon Chinese five-spice powder
- 1 teaspoon garlic powder
- 1 teaspoon brown sugar
- ¼ cup hoisin sauce
- 1 tablespoon soy sauce
- 1 tablespoon honey or maltose
- ½ teaspoon five-spice powder, for the glaze
- 1 to 2 teaspoons water, only if needed to thin the glaze
This amount of glaze is enough for a thin coating on one rack. For a larger rack, increase the glaze in proportion, but keep the layer on the meat thin. A heavy coat can burn before the ribs have time to brown.
Choose a suitable pan
Bare stainless steel is non-reactive and can go in the oven if the pan and its handles are rated for the temperature. Tri-ply stainless steel has layers of metal that help spread heat. A foil-lined rimmed sheet pan is another practical choice; place an oven-safe rack on it if you have one.
Do not assume that a coated pan can handle high heat. PTFE and ceramic coatings have different ratings by brand and model. Check the manufacturer’s instructions, and do not broil a coated pan unless it is explicitly rated for broiling. If you are unsure, finish at 425°F instead.
| Pan setup | Works well for | Check before cooking |
|---|---|---|
| Stainless-steel roasting pan with rack | Raising ribs above rendered fat | Pan and handles must be oven-safe at 425°F |
| Foil-lined rimmed sheet pan with rack | Easier cleanup and airflow around the ribs | Use a sturdy rimmed pan; foil should not cover the rack |
| Coated roasting pan | Low-temperature roasting, if manufacturer allows | Verify the temperature limit; avoid broiling unless rated |
| Sheet pan without a rack | A simple setup when a rack is unavailable | Ribs can sit in rendered fat; turn or reposition if needed |
Prepare the ribs
If the thin membrane on the bone side is still attached, remove it. Slide a butter knife under one corner, grip the loosened membrane with a paper towel, and pull it away. It can make the cooked ribs tougher to bite through. Pat the rack dry, then season both sides with salt, pepper, five-spice, garlic powder, and brown sugar.
Keep raw-meat tools and plates separate from cooked food. If you use any liquid that touched raw pork, do not brush it onto cooked ribs unless you first bring it to a boil. For this recipe, mixing a fresh glaze is the simplest option.
Practical oven setups
If your oven has hot spots, place the pan near the center and check the ribs at the two-hour mark. If you have only a sheet pan, lining it with foil helps catch drips, but avoid sealing the ribs tightly against the foil. The goal is to cover the pan for the low roast, not to trap the meat in a pool of liquid.
Low-Roast, Char Siu Glaze & Crisp Finish
The low roast makes the ribs tender while they are covered; the hotter finish browns the glaze once the meat is nearly done. “Tacky” means the glaze feels set and slightly sticky, rather than wet. Apply a thin coat late in cooking to avoid scorching the honey or maltose.
1. Roast covered at 300°F
Heat the oven to 300°F (149°C). Put the ribs bone-side down on the rack in the pan. Cover the pan tightly with foil and roast for 2 to 2½ hours. Avoid adding extra liquid: the pork will release moisture and fat, and too much added liquid steams the surface rather than helping it dry for browning.
Start checking at two hours. The rack is ready for glazing when the meat is tender and has pulled back somewhat from the ends of the bones. For a texture check, insert an instant-read thermometer into the meat between bones without touching bone. About 195 to 203°F (91 to 95°C) is a useful tenderness range for ribs, though the feel of the meat matters too.
That range is a texture target, not the basic food-safety minimum. The USDA minimum for whole cuts of pork is 145°F (63°C), followed by a three-minute rest. Ribs often need to cook beyond that temperature to become tender.
2. Mix the glaze while the ribs roast
Stir together the hoisin, soy sauce, honey or maltose, and five-spice. If the mixture is too thick to brush on, add water a teaspoon at a time. Do not make it runny; a thin, even layer is easier to control under high heat.
Hoisin brings savory sweetness, soy sauce adds salt, and five-spice gives the glaze its warm aroma. Taste before adding more soy, since hoisin and soy both contribute salt. Set aside a clean brush for the cooked ribs.
3. Uncover, drain, and glaze
When the ribs are tender, carefully remove the pan from the oven. Open the foil away from your face, as trapped steam can burn. Drain the rendered liquid cautiously, then remove the foil. If the pan is too hot to handle safely, let it sit briefly on a heat-safe surface.
Brush a thin coat of glaze over the top and sides of the ribs. Put the uncovered pan back in the oven and raise the temperature to 425°F (218°C). Roast for 8 to 12 minutes, checking near the eight-minute mark. The glaze should look glossy, set, and browned in spots.
4. Add brief broiling only if needed
If the glaze is set but needs more color, broil for 1 to 2 minutes only if your cookware is explicitly rated for broiling. Watch continuously and stay by the oven. Sugars can scorch quickly, and a thick coat can blacken before the ribs brown.
| What you see | What to do |
|---|---|
| Glaze looks wet at 8 minutes | Continue roasting a few minutes and check again |
| Glaze is glossy and lightly browned | Take the ribs out; more heat may burn the sugars |
| Color is pale after roasting | Broil briefly only with broiler-safe cookware, watching constantly |
| Glaze darkens too fast | Remove the ribs from high heat; next time use a thinner layer |
The key is to stop when the glaze is browned and tacky, not when every surface is dark. Rest the ribs for 5 to 10 minutes before cutting. This gives the hot juices time to settle and makes the rack easier to handle.
Safe Cooling, Cleaning & Cookware Care
Hot metal can warp if its temperature changes too fast, and hot rendered fat can splash. Let the pan cool gradually on a heat-safe surface before cleaning. Once it is no longer hot, soak stainless steel or discard the foil lining, then wash and dry the cookware well.
Do not pour cold water onto a hot pan or plunge hot cookware into cold water. The rapid temperature change can warp metal. Keep the pan away from a sink until it has cooled enough to handle safely.
For stainless steel, soak stuck-on glaze with warm water, then wash with dish soap and a non-scratch sponge. For a foil-lined pan, wait until the pan is cool before lifting out the foil; check that no grease spills from it. Dry the pan before storing it.
Avoid prolonged storage of acidic glaze against bare aluminum. If you used an aluminum pan, remove leftover food and glaze once the pan is cool rather than storing them together. For coated cookware, follow the maker’s care directions and avoid abrasive scrubbers that may damage the surface.
Carving, Serving & Dining Presentation
A short rest makes the rack easier to cut and helps keep the meat juicy. Use a clean cutting board and a sharp knife, then slice between the bones. Serve the ribs while the glaze is still glossy, with napkins nearby and any extra sauce on the side.
Cut down between the bones rather than across them. If the rack shifts as you cut, turn it bone-side up so you can see the spaces between the ribs. For a neater plate, arrange the pieces with the browned side facing up.
Serve with rice, steamed greens, or a crisp vegetable side to balance the sweet-savory glaze. If you want extra sauce, make a separate batch and warm it gently; do not reuse glaze that touched raw pork.
Frequently Asked Questions
How long should I roast pork ribs at 300°F?
Roast them covered for 2 to 2½ hours. Start checking at two hours; thicker racks may need the full time to become tender.
What temperature should ribs reach to become tender?
About 195 to 203°F (91 to 95°C) between the bones is a useful texture target. It is higher than the USDA’s minimum safety temperature for whole pork cuts.
Is 145°F safe for pork ribs?
The USDA minimum for whole cuts of pork is 145°F (63°C), followed by a three-minute rest. Ribs usually need more cooking for a tender texture.
Should I boil ribs before roasting?
This method does not require boiling. Covered, low-temperature roasting cooks the ribs until tender before the glaze is added.
Why did my char siu glaze burn?
It may have been too thick or exposed to high heat too long. Brush on a thin coat near the end and watch closely if broiling.
Can I use a sheet pan without a rack?
Yes. Use a rimmed pan lined with foil, but expect the ribs to sit closer to their rendered fat. A rack lifts them and allows more airflow.
Can I broil ribs in a nonstick pan?
Only if the manufacturer explicitly rates that specific pan for broiling. Coatings and temperature limits vary, so check the product instructions.
Do I need to add water to the roasting pan?
No. The ribs release moisture and fat as they cook. Extra liquid can steam the surface and make it harder for the glaze to brown.
How long should I rest the ribs?
Rest them for 5 to 10 minutes before cutting. This also gives you time to set out serving plates and a clean cutting board.
Can I prepare the glaze ahead?
Yes. Mix it before roasting and keep it separate from raw meat. Use a clean brush when applying it to the cooked ribs.
(This article was written by one of our staff writers, Steven R. Bancroft. Visit our Meet the Team page.)
