How Long to Cook Brisket on a Gas Grill by Weight

A 4- to 5-pound (1.8-2.3 kg) brisket flat usually needs about 6 to 8 hours over indirect heat on a gas grill, plus an hour to rest. The clock is only a guide: steady grill temperature and a brisket that feels tender when probed matter more than a precise number of minutes per pound.

Ingredients

1 beef brisket flat, 4 to 5 lb (1.8 to 2.3 kg), preferably with a thin, even layer of fat
1 tbsp (9 g) kosher salt
1 tbsp (7 g) coarsely ground black pepper
2 tsp (5 g) smoked paprika
1 tsp (3 g) garlic powder
1 tsp (2 g) onion powder
1 tsp (4 g) light brown sugar, optional
1 cup (about 30 g) wood chips for smoking, such as oak or hickory
2 cups (475 ml) water, for the grill’s drip pan
½ cup (120 ml) low-sodium beef broth, optional, for wrapping

Instructions

Trim and season the brisket. Pat the meat dry. Trim hard, waxy fat and any ragged, very thin edges, leaving a fairly even fat cap about ¼ inch (6 mm) thick. Combine the salt, pepper, paprika, garlic powder, onion powder, and optional brown sugar, then coat all sides of the brisket. Let it sit at room temperature while you set up the grill, no longer than 30 minutes; if you need to season it earlier, cover and refrigerate it.
Prepare the gas grill for indirect heat. Put wood chips in a smoker box or a foil packet with a few small holes in the top; follow the grill maker’s directions for where to place it. For a two-burner grill, leave one burner off and use the other to heat the grill. For a three- or four-burner grill, light one or two burners on one side and leave the burners under the brisket off. Place a drip pan beneath the unlit side and add the water. Preheat with the lid closed until the cooking area holds 225 to 250°F (107 to 121°C), about 15 to 20 minutes.
Start the brisket over the unlit burners. Set the brisket on the grate above the drip pan, fat side up, with the thicker end aimed toward the lit burners. Keep the lid closed and adjust the burner gradually to maintain 225 to 250°F (107 to 121°C) at grate level. Avoid putting the meat directly over a flame: direct heat can scorch the exterior before the middle becomes tender. Add more chips only as needed and as your grill’s instructions allow.
Cook until the bark is set, then decide whether to wrap. After about 3 to 4 hours, check the surface quickly. When the outside is dark and dry to the touch and the thickest part is around 160 to 170°F (71 to 77°C), you can wrap the brisket tightly in butcher paper or heavy-duty foil. Add the optional broth before sealing if you want a moister, softer exterior. Wrapping is optional: leaving it unwrapped can produce a firmer bark, but may take longer. If the surface is still pale or wet, keep cooking unwrapped and check again later.
Cook until tender, not just until the timer says so. A 4- to 5-pound flat commonly takes 6 to 8 hours on the grill, including the time after wrapping, but thickness, grill accuracy, wind, and how often the lid is opened all affect the schedule. Start checking the thickest part after about 5½ hours. USDA FSIS lists 145°F (63°C) with a 3-minute rest as the safe minimum for whole cuts of beef; for brisket’s characteristic tenderness, continue cooking until it is often around 195 to 205°F (91 to 96°C) and a probe slides into several spots with little resistance. Temperature is a useful clue, not a substitute for checking tenderness.
Rest, slice, and serve. Transfer the brisket to a tray and keep it wrapped. Rest for at least 1 hour before slicing; for a longer hold, keep it safely hot rather than leaving it at room temperature. Identify the direction of the grain before cutting, then slice across it into pencil-thick pieces. If the flat is especially lean, serve the slices with their juices or a little warm broth.

Tips

Use the grill’s thermometer as a starting point. Built-in lid gauges can read differently from the temperature beside the meat. A grate-level grill thermometer helps you hold the target range, and a separate instant-read thermometer helps you check the brisket without guessing.
Choose wood to suit the flavor you want. Oak gives a steady, balanced smoke; hickory tastes stronger. If you do not have a smoker box, a foil packet works. Skip the wood and cook with indirect heat for a milder, roast-like result; the brisket will still cook, but it will not have as much smoke flavor.
Keep the lid closed and control flare-ups. Every peek lets heat escape and can extend the cook. If fat drips cause flames, move the meat farther from the lit burner and check that the drip pan is positioned properly. Do not solve a low grill temperature by putting the brisket over direct flame.
Do not trim away all the fat. Removing the thick, hard deposits helps the rub reach the meat, but a thin, even cap helps protect the surface during a long cook. If you can only find a whole packer brisket, cook it as a larger cut and allow substantially more time rather than expecting this flat’s schedule to apply.

Serving Suggestions

Serve sliced brisket with barbecue sauce on the side so the bark stays visible and diners can choose how much sauce they want. Classic sides include coleslaw, baked beans, potato salad, cornbread, grilled vegetables, or pickles and sliced onion. For a simple plate, add a crisp, acidic side to balance the rich beef. The flat is leaner than the point, so spooning a little collected juice over the slices just before serving helps keep them appealing without masking the smoke and pepper.

Variations

For a pepper-forward Texas-style rub, omit the paprika, garlic, onion, and sugar, and use equal amounts of kosher salt and coarse black pepper. For a sweeter, gently smoky profile, keep the paprika and brown sugar and use oak or a milder fruitwood if available. Smoked paprika adds a hint of smoke when you are not using wood chips, though it does not reproduce the flavor of wood smoke.

You can also cook brisket without wrapping it. This usually gives the bark more time to dry and firm up, but the cook can run longer and the flat may lose more moisture. If you prefer a softer bark and a more predictable finish, wrap it once the exterior is dark and set. A whole packer brisket, which includes both the flat and the fattier point, can be cooked with the same indirect-heat method, but its larger size and uneven thickness mean the timing will be different.

Storage and Reheating

Refrigerate leftover brisket within 2 hours of cooking. Store it in a shallow, covered container with any collected juices, and use it within 3 to 4 days. For longer storage, freeze well-wrapped portions; thaw them in the refrigerator before reheating. Keeping slices in a larger piece or storing them with a little juice helps limit drying.

Reheat only the amount you plan to eat. Put brisket and a spoonful of broth or its juices in a covered oven-safe dish and warm it gently at 300°F (149°C), or use a covered skillet over low heat. Heat leftovers to 165°F (74°C), checking the center with a food thermometer. A microwave also works for individual portions: cover the meat, add a little liquid, and heat in short intervals, turning or rearranging the pieces for more even warming.

Frequently Asked Questions

How many hours per pound does brisket take on a gas grill?
There is no dependable exact hours-per-pound formula because thickness, grill temperature, and the cut all matter. At 225 to 250°F (107 to 121°C), use these rough planning ranges for a flat: 3 to 4 pounds may take 5 to 7 hours, 4 to 5 pounds about 6 to 8 hours, and 6 to 8 pounds around 8 to 11 hours. Begin checking early and allow extra time; a finished brisket can rest while you prepare the meal.

Should I cook brisket fat side up or down on a gas grill?
With the brisket over the unlit side, fat side up is a straightforward starting point, especially when heat circulates evenly around the meat. If your grill’s heat comes strongly from below or one side, orient the thicker end and fat toward the hotter area to help shield the leaner portion. The fat cap does not soak through the meat, so steady indirect heat matters more than a rigid rule about orientation.

Can I grill brisket at 300°F (149°C) to make it faster?
You can cook it at a higher indirect temperature, but it may finish sooner and the outside can darken before the interior becomes tender. Keep it away from direct flame, monitor the grill closely, and begin checking tenderness earlier. If the bark is getting too dark, wrap the brisket. A higher setting is not a reason to skip the thermometer or the tenderness check.

Why is my brisket still tough at 190°F (88°C)?
Brisket can remain tough at that reading because connective tissue needs time to soften, and different parts of a cut finish at different temperatures. Continue cooking and check with a probe in several spots. It is ready when the probe enters with little resistance; some briskets reach that point below or above the commonly cited 195 to 205°F (91 to 96°C) range.

Can I cook brisket on a gas grill without wood chips?
Yes. The gas grill provides the heat, and the wood is optional for smoke flavor. Set up the same indirect zone, hold the temperature steadily, and follow the same timing and doneness checks. The result will taste more like slowly grilled or roasted beef than smoked barbecue, but it can still be tender when cooked and rested properly.

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Safety notes: safe minimum internal temperatures from USDA FSIS; raw and undercooked fish guidance from the U.S. FDA. Food safety notes

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