To cook St. Louis ribs on the grill, set up indirect heat with a drip pan under the rack, cover the grill and hold it between 250°F and 300°F, and cook a 2 to 4 lb rack for 1.5 to 2 hours until it is fork tender, brushing on sauce only in the last 15 to 30 minutes. That is the Clemson Extension grilling method for ribs, and it is the one we follow below.
Our St. Louis style ribs full rack is the one to grill for a Fourth of July crowd. Its product page gives an oven method at 300°F, so on the grill we hold 300°F, the top of Clemson’s range, and use our page’s doneness cue: the meat pulls away easily from the bone. Here are the setup, the steps, and a clock that puts ribs on the table at 6 pm.
What you need for St. Louis ribs on the grill
- 1 full rack of St. Louis style ribs, thawed in the fridge for two nights, or a half rack for a small table
- 1 tablespoon olive oil
- Dry rub: 2 tablespoons brown sugar, 1 tablespoon paprika, 2 teaspoons salt, 1 teaspoon black pepper, 1 teaspoon garlic powder
- 1/2 cup barbecue sauce, plus more for the table
- A gas or charcoal grill with a lid, a disposable drip pan, tongs, and a meat thermometer
The rub is the seasoning list from our product page (olive oil, salt, pepper, paprika, garlic powder, brown sugar). St. Louis ribs are spare ribs trimmed to a flat, even rack; we covered the cuts in St. Louis ribs vs spare ribs vs baby back.
How to grill St. Louis style ribs, step by step
- Set up indirect heat. Gas: light the burners on one side only and set a drip pan on the unlit side. Charcoal: bank the lit coals on one side and set a drip pan of water on the other. Close the lid and bring it to about 300°F.
- Pull the membrane. Flip the rack bone side up, slide a butter knife under the thin skin at one end, grip it with a paper towel, and peel.
- Oil and rub. Coat the rack with olive oil and press the rub onto every side.
- Cook over the drip pan. Bone side down, lid closed. On charcoal, add a few coals as needed to hold 300°F.
- Sauce in the last 15 to 30 minutes. Clemson says to apply sauce late so it does not burn. Brush it on and close the lid.
- Check for tender. Start testing at 1.5 hours. The rack is done when it is fork tender and the meat pulls away easily from the bone. Give it up to 2 hours.
- Rest 10 minutes. Cut between the bones and serve.
Add a chunk of apple wood to the coals or a smoker box to the lit burner at the start if you want smoke, which is the wood we use on our bacon.
The Fourth of July clock for a 6 pm dinner
| Time | What happens |
|---|---|
| Two days before | Move the rack from the freezer to the fridge (two nights for a full rack) |
| 3:00 pm | Light the grill for indirect heat. Pull the membrane, oil, and rub |
| 3:30 pm | Rack goes on over the drip pan at 300°F, lid closed |
| 5:00 pm | Sauce. First tenderness check |
| 5:30 pm | Fork tender, meat pulling from the bone. Rest under loose foil |
| 5:45 pm | Cut between the bones. Ribs on the table by 6 |
Cooking two racks? Set them side by side over the drip pan, swap their positions once at the halfway mark, and allow the long end of the time window.
How to tell St. Louis ribs are done on the grill
Pork is safe at 145°F with a rest, per the Clemson Extension cookout food safety fact sheet. Ribs pass that mark early and are still tough, which is why Clemson’s grilling chart lists ribs as done when fork tender, not at a number.
So judge by feel. Our product page says the ribs are done when the meat is tender and pulls away easily from the bone, and a fork or thermometer probe should slide between the bones with no push back.
No grill? The same rack works as St. Louis ribs in the oven, and our older guide to how to BBQ heritage breed pork covers chops and roasts.
Questions people ask about St. Louis ribs on the grill
How long does it take to cook St. Louis ribs on a grill?
Clemson Extension lists 1.5 to 2 hours for a 2 to 4 lb rack over indirect heat in a covered grill at 250°F to 300°F, until fork tender. Start testing at 1.5 hours.
Should ribs be wrapped in foil when grilling?
The Clemson grill method uses a drip pan and a closed lid, not foil. Our product page uses foil in the oven, so wrap only if you cook indoors.
Are St. Louis ribs good for grilling?
Yes. The rack is trimmed flat and even, so it sits level on the grate over the drip pan.
What is the 3-2-1 method for St. Louis style ribs?
A smoker method: 3 hours unwrapped, 2 hours wrapped, 1 hour sauced, usually at about 225°F. It is a six hour cook for a smoker. The method above is Clemson’s shorter grill method, and it is the one we use.
Should I smoke St. Louis ribs at 225 or 250 degrees?
Both are common smoker settings. Clemson’s grill method holds 250°F to 300°F with the lid closed, and we use 300°F, the temperature on our product page.
Light the grill, then order the rack. St. Louis ribs on the grill are a simple way to feed a Fourth of July table, and a Heritage Duroc rack, raised crate free with no antibiotics ever on Iowa family farms, is the rack to do it with.
Order a St. Louis ribs full rack for the crowd, or a half rack for a small table. Check our shipping page for holiday week timing before you order.
Keep reading
- Have a smoker? Here is the smoked St. Louis ribs recipe by the same Clemson method at 250°F.