Grilling spare ribs to perfection requires managing temperature and time for that fall-off-the-bone tenderness. If you’ve ever wondered how to cook spare ribs on the grill, you’re in the right place. This guide covers everything from prep to serving, with simple steps that work every time.
Spare ribs are bigger and meatier than baby backs. They come from the belly area and have more fat, which means more flavor. The key is low and slow cooking. Let’s get started.
Choosing The Right Spare Ribs
Start with good meat. Look for spare ribs with even fat coverage and a pinkish-red color. Avoid ribs that look dry or have dark spots. The membrane on the back should be intact—you’ll remove it later.
You can buy a full slab or have it trimmed. A full slab usually has 11 to 13 bones. For grilling, a 3 to 4 pound slab works well for 2 to 3 people.
St. Louis Style Vs. Spare Ribs
St. Louis style ribs are spare ribs with the brisket bone and cartilage trimmed off. They cook more evenly and look neater. Regular spare ribs have more meat but require more trimming. Both work for grilling.
Preparing The Ribs
Proper prep makes a big difference. Here’s what to do before the ribs hit the grill.
Remove The Membrane
The membrane is a thin, silvery skin on the bone side. It gets chewy if left on. Slide a butter knife under the membrane at one end, grab it with a paper towel, and pull it off. It should come off in one piece.
Trim Excess Fat
Leave some fat for flavor, but trim large, hard chunks. Cut off the flap of meat on the back side—it burns easily. Trim the brisket bone if you have full spare ribs.
Apply A Dry Rub
A dry rub adds flavor and forms a crust. Mix brown sugar, paprika, garlic powder, onion powder, salt, pepper, and a little cayenne. Apply generously on both sides. Let the ribs sit for 30 minutes at room temperature, or wrap and refrigerate overnight.
Setting Up The Grill
You need two zones: direct heat for searing and indirect heat for cooking. This is crucial for tender ribs.
Charcoal Grill Setup
Light a chimney of charcoal. When the coals are ashed over, pour them on one side of the grill. Leave the other side empty. Place a drip pan on the empty side. Adjust vents to maintain 225°F to 250°F.
Gas Grill Setup
Turn on one burner to medium-low and leave the others off. Place a drip pan under the grate on the off side. Preheat with the lid closed for 10 minutes. Target 225°F to 250°F.
How To Cook Spare Ribs On The Grill
Now for the main event. Follow these steps for perfect ribs every time.
Step 1: Sear The Ribs
Place the ribs over direct heat for 2 to 3 minutes per side. This adds color and flavor. Don’t skip this step—it creates a nice bark.
Step 2: Move To Indirect Heat
Transfer the ribs to the cool side of the grill, bone side down. Close the lid. Maintain 225°F to 250°F. Cook for 2 to 3 hours for spare ribs.
Step 3: Spritz For Moisture
Every 45 minutes, spritz the ribs with apple juice or cider vinegar. This keeps them moist and adds sweetness. Don’t overspray—just a light mist.
Step 4: Wrap In Foil
After 2 hours, wrap the ribs tightly in heavy-duty aluminum foil. Add a splash of apple juice or beer inside the foil. Return to the grill for 1 more hour. This tenderizes the meat.
Step 5: Check For Doneness
Unwrap carefully. The ribs are done when the meat pulls back from the bones by about 1/4 inch. A toothpick should slide in with little resistance. Internal temperature should be 195°F to 203°F.
Step 6: Glaze And Finish
Brush your favorite barbecue sauce on the ribs. Place them over direct heat for 5 to 10 minutes, turning once. Watch closely—sugar burns fast. The sauce should caramelize, not char.
Temperature And Time Guidelines
Consistent heat is everything. Use a grill thermometer to monitor. Here’s a quick reference.
- Target grill temp: 225°F to 250°F
- Total cook time: 3 to 4 hours
- Internal meat temp: 195°F to 203°F
- Resting time: 10 to 15 minutes
If your grill runs hot, adjust vents or burners. Too cool? Add more charcoal or increase burner slightly. Patience pays off.
Using A Water Pan
Place a water pan under the ribs on the indirect side. This adds humidity and helps stabilize temperature. It also catches drips, preventing flare-ups.
Wood Smoke Options
Wood chips add depth. Soak them in water for 30 minutes, then drain. Add a handful to the coals or a smoker box on a gas grill. Good choices include:
- Hickory: Strong, classic flavor
- Apple: Mild and sweet
- Cherry: Fruity and mild
- Pecan: Nutty and rich
Avoid mesquite—it’s too strong for ribs. Use 1 to 2 handfuls for the first hour only.
Common Mistakes To Avoid
Even experienced cooks mess up. Here are pitfalls to skip.
- Cooking too hot: High heat toughens meat. Keep it low.
- Skipping the membrane: Chewy ribs are no fun.
- Over-saucing early: Sugar burns. Add sauce at the end.
- Peeking too often: Each lid lift adds 15 minutes to cook time.
- Not resting: Let ribs rest before cutting. Juice runs out if you rush.
Serving Suggestions
Slice ribs between the bones. Serve with classic sides like coleslaw, baked beans, cornbread, or potato salad. A cold beer or iced tea pairs well.
Leftover ribs keep in the fridge for 3 to 4 days. Reheat in a 300°F oven wrapped in foil for 15 minutes.
Frequently Asked Questions
How Long Does It Take To Cook Spare Ribs On The Grill?
At 225°F to 250°F, spare ribs take 3 to 4 hours total. This includes searing, indirect cooking, and the foil wrap. Time varies with grill and rib size.
Should I Boil Spare Ribs Before Grilling?
No. Boiling removes flavor and makes meat mushy. Low and slow grilling with indirect heat gives better texture and taste.
What’s The Best Wood For Grilling Spare Ribs?
Hickory and apple are popular. Hickory gives a strong smoke flavor; apple is milder and sweeter. Cherry and pecan also work well.
Can I Cook Spare Ribs On A Gas Grill?
Yes. Set up two zones with one burner on low and others off. Maintain 225°F to 250°F. Use a smoker box for wood chips.
How Do I Know When Spare Ribs Are Done?
Check for meat pulling back from bones, a toothpick sliding in easily, and internal temp of 195°F to 203°F. The bend test works too—ribs should flex and crack slightly when lifted.
Final Tips For Success
Grilling spare ribs takes practice. Don’t stress if your first batch isn’t perfect. Focus on temperature control and patience. Use a good thermometer—it’s your best tool.
Experiment with rubs and sauces. Try adding brown sugar or mustard to your rub. Adjust heat based on your grill. Every grill is a little different.
Remember, the goal is tender, flavorful meat with a nice crust. Follow these steps, and you’ll get there. Now fire up the grill and enjoy.