This smoked St. Louis ribs recipe follows Clemson Extension’s smoker guidance: keep the smoker at 250°F to 300°F, cook the ribs over indirect heat with a drip pan for 1.5 to 2 hours until fork tender, and add sauce only in the last 15 to 30 minutes. We run it at the 250°F end on our St. Louis style ribs, full rack, with the rub from our product page.
Most smoker recipes online run at 225°F for five or six hours, often as 3-2-1. Clemson’s safety floor is 250°F, so we do not go below it and we do not claim the two methods come out the same; the table below puts them side by side, and the July 4 note at the end points to the shipping page rather than a deadline.
- The recipe (Clemson smoker method)
- Why 250°F, not 225°F
- Clemson method vs 3-2-1
- Which rack, and July 4 shipping
- Questions people ask
Smoked St. Louis ribs recipe: the Clemson Extension smoker method
The method is from Clemson’s Food Safety for Outdoor Cookouts: “The temperature in the smoker should be maintained at 250 to 300 °F for safety,” ribs of 2 to 4 lb over indirect heat take 1.5 to 2 hours smoked, the doneness test is fork tender, and sauce goes on “during the last 15 to 30 minutes.” The rub, rest, and doneness cue below are from our product page. So this is a composite: Clemson’s smoker window and sauce timing, our product page’s rub, doneness cue, and rest, and our own 10 to 15 minute estimate for the rub; we have not test cooked it, and fork tender is the test.
- 1 rack St. Louis style ribs (our full rack, or the half rack)
- Olive oil, salt, and pepper, to coat and season
- Spices of your choice, such as paprika, garlic powder, and brown sugar (the product page’s suggestion)
- Barbecue sauce, optional, for the last 15 to 30 minutes
- Apple wood chunks (our choice; Clemson does not name a wood)
- Rub the rack with olive oil, salt, pepper, and your spices, per the product page.
- Bring the smoker to 250°F, the low end of Clemson’s 250°F to 300°F range, with a drip pan under the grate and the ribs set over indirect heat, not over the coals.
- Close the lid and keep the vents open. Clemson says to add about 10 to 15 briquettes every hour to hold the temperature; a thermometer on the grate is the check.
- Smoke 1.5 to 2 hours. The ribs are done when they are fork tender and, in our product page’s words, the meat pulls away easily from the bone.
- If you sauce, brush it on during the last 15 to 30 minutes, per Clemson, so it does not burn.
- Rest 10 minutes before cutting between the bones, per the product page.
Salt and spice amounts are yours; the product page lists the seasonings without amounts, and we do not add a salt weight it does not give. The recipe card counts 15 minutes for the rub (our estimate), Clemson’s 2 hour long end, and the page’s 10 minute rest.
Why we smoke at 250°F and not 225°F
Because 225°F is below the floor Clemson gives for safety. Its page says smoking “is done much more slowly than grilling,” that “a natural smoke flavoring permeates the meat,” and that the smoker “should be maintained at 250 to 300 °F for safety.” We follow the source, so 250°F is our low end and our long end of the time range.
We do not compare the two for taste; no source we cite does, and we have not tested them side by side. The Clemson window is the cited method, and it is the one we publish.
Clemson smoker method vs the common 3-2-1
| Clemson smoker method (ours) | 3-2-1, as the recipe posts describe it | |
|---|---|---|
| Smoker temperature | 250°F to 300°F; we use 250°F | Usually 225°F |
| Time | 1.5 to 2 hours for a 2 to 4 lb rack | About 6 hours: 3 unwrapped, 2 wrapped, 1 sauced |
| Wrap | Not part of the method | Foil wrap for the middle 2 hours |
| Sauce | Last 15 to 30 minutes | Last hour |
| Doneness | Fork tender; meat pulls from the bone (product page) | Varies by post |
| Source | Clemson Extension HGIC 3543; our product page | Recipe websites; not a cited method here, not tested by us |
If you prefer a covered grill to a smoker, the same Clemson window applies, and we wrote that version in St. Louis ribs on the grill. The oven method from our product page, 300°F covered for 2.5 to 3 hours, is in St. Louis ribs in the oven.
Which rack to order, and July 4 shipping
We sell St. Louis style ribs as a full rack and a half rack, both from Heritage Duroc hogs; each product page shows current availability. The product page says they are cut from the spare ribs with a higher meat to bone ratio; what that trim means is in St. Louis ribs vs spare ribs.
For July 4, our shipping page says orders placed Tuesday through Friday deliver the following Friday, Saturday, or Sunday, frozen with dry ice by FedEx, and that holiday weeks are excluded. We do not give an order by date; check the shipping page and the delivery window at checkout. Our older post on how to BBQ heritage breed pork covers the rest of the cookout.
Questions people ask about a smoked St. Louis ribs recipe
How long to smoke St. Louis style ribs at 225?
We do not give a 225°F time, because Clemson Extension’s safety floor for a smoker is 250°F. At 250°F to 300°F, Clemson gives 1.5 to 2 hours for a 2 to 4 lb rack, to fork tender.
Does the 3-2-1 method work for St. Louis ribs?
It is the common method in smoker recipe posts: 3 hours unwrapped, 2 wrapped, 1 sauced, usually at 225°F. We have not tested it and it runs below Clemson’s floor, so we publish the Clemson method instead.
Are ribs better smoked at 225 or 250?
Clemson says the smoker should be kept at 250°F to 300°F for safety, so 250°F is the lowest we use. We have not compared the two for taste.
Should I wrap ribs when smoking?
Clemson’s method does not wrap, and neither does our product page, so we do not. The doneness test is fork tender.
250°F, indirect heat, fork tender, sauce last. That is our smoked St. Louis ribs recipe, and every number in it has a page behind it, named above.
Order the full rack, or the half rack for a smaller smoker.