Most people associate a succulent, glazed ham with the center of a dining room table during the holidays, usually emerging from a standard kitchen oven. However, if you are looking to elevate your culinary game and introduce a complex layer of flavor that an oven simply cannot provide, it is time to take that centerpiece outside. Learning how to cook ham on grill setups—whether gas, charcoal, or pellet—transforms a traditional meal into an extraordinary smoky feast.
The grill adds a unique dimension to ham. The gentle kiss of smoke combined with the caramelization of a sweet glaze over an open flame creates a crust that is both tacky and crisp. Whether you are working with a pre-cooked city ham or a fresh ham, the grill offers superior temperature control and a rustic charm that turns a standard dinner into an event.
Choosing the Right Ham for Grilling
Before you even fire up the burners, you need to select the right cut of meat. Not all hams are created equal, and your choice will dictate your cooking time and flavor profile.
Pre-Cooked vs. Fresh Ham
The vast majority of hams sold in grocery stores are “city hams,” which are cured and pre-cooked. When you are grilling these, your goal is not actually “cooking” the meat to safety but rather reheating it gently while adding flavor. A fresh ham, on the other hand, is raw pork leg. This requires a much longer cooking time and a focus on reaching a safe internal temperature of 145 degrees Fahrenheit. For most backyard enthusiasts, a bone-in, spiral-cut, pre-cooked ham is the easiest and most rewarding starting point.
Bone-In vs. Boneless
While boneless hams are easier to slice, bone-in hams are superior for the grill. The bone acts as a heat conductor, helping the ham heat more evenly from the inside out. Furthermore, the bone adds a depth of flavor to the meat and can be saved afterward to make incredible smoked pea soup or stocks.
Preparing Your Grill for Indirect Heat
The secret to a perfect grilled ham is indirect heat. You are not searing a steak; you are roasting a large, dense muscle. If you place a ham directly over the flames, the outside will burn and the sugar in the glaze will turn bitter long before the center is warm.
Setting Up a Gas Grill
For a gas grill, turn on the outer burners to medium-high and leave the center burners off. This creates an oven-like environment. You want the ambient temperature inside the grill to hover around 325 degrees Fahrenheit.
Setting Up a Charcoal Grill
On a charcoal grill, push your lit coals to two opposite sides of the grill, leaving a void in the middle. Place a drip pan filled with a bit of water or apple juice in the center. This adds moisture to the environment and prevents the ham drippings from flaring up.
The Importance of the Liquid Bath
To prevent the ham from drying out during its time on the grates, many pitmasters recommend a “braising” approach for the first half of the cook. Place the ham cut-side down in a heavy-duty aluminum foil pan. Pour about an inch of liquid into the bottom—apple cider, pineapple juice, or even a dark ginger ale works beautifully. Cover the pan tightly with foil. This creates a steam chamber that keeps the meat incredibly moist as it begins to absorb the ambient heat of the grill.
Smoking and Flavor Infusion
Even if you are using a gas grill, you can achieve a “smoked ham” profile. For gas grills, use a smoker box filled with hickory or applewood chips. For charcoal grills, simply toss a few chunks of hardwood directly onto the coals.
Apple, cherry, and maple are the best wood choices for ham. They provide a subtle sweetness that complements the pork without overpowering it like heavy mesquite might. The smoke will permeate the meat during the periods when the ham is not tightly covered by foil.
Monitoring Internal Temperature
Since most hams are pre-cooked, you are aiming for an internal temperature of 140 degrees Fahrenheit. This is the sweet spot where the meat is hot throughout but hasn’t begun to lose its structural integrity or moisture.
Use a high-quality digital meat thermometer. Insert the probe into the thickest part of the ham, ensuring you do not hit the bone, as the bone will give an artificially high reading. If you are cooking a fresh, raw ham, you must ensure it reaches 145 degrees Fahrenheit followed by a three-minute rest for safety.
Crafting the Perfect Glaze
The glaze is where you can truly show off your personality. A good glaze needs three components: a sugar base, an acid, and a flavor booster.
The Sugar Base
Honey, brown sugar, or maple syrup are the classics. These provide the “tack” that allows the glaze to stick to the meat and the sugars that will caramelize under the heat.
The Acid
Apple cider vinegar, Dijon mustard, or citrus juices like orange or pineapple cut through the fattiness of the pork and the intensity of the sugar.
The Flavor Boosters
Think outside the box here. Bourbon, cloves, star anise, black pepper, or even a splash of sriracha can add complexity. A popular combination is a Bourbon-Brown Sugar glaze, which creates a rich, dark crust that smells divine.
Applying the Glaze
Timing is everything when it comes to glazing. Because glazes are high in sugar, they burn quickly. Do not apply the glaze at the beginning of the cook. Instead, wait until the ham has reached an internal temperature of about 120 degrees Fahrenheit.
Remove the foil cover from your pan. Generously brush the glaze over every nook and cranny of the ham. If you are using a spiral-cut ham, try to get some of that liquid gold between the slices. Close the grill lid and let it cook for another 15 to 20 minutes. Repeat the glazing process one or two more times until the ham reaches 140 degrees Fahrenheit and the exterior looks mahogany and glossy.
Resting the Meat
One of the most common mistakes in grilling ham is slicing it the moment it comes off the heat. Resting is crucial. Transfer the ham to a carving board and tent it loosely with foil. Let it sit for at least 15 to 20 minutes. This allows the juices to redistribute throughout the meat. If you cut it too soon, all that moisture you worked so hard to preserve will simply run out onto the board, leaving you with dry pork.
Carving and Presentation
If you chose a spiral-cut ham, your work is mostly done; simply cut around the center bone to release the slices. For a whole bone-in ham, use a sharp carving knife to cut slices perpendicular to the bone. Arrange the slices on a platter and spoon any remaining juices from the foil pan over the top. The contrast between the smoky, charred edges and the pink, tender interior is visually stunning.
FAQs
Can I grill a ham that is already sliced?
Yes, but you must be very careful. Sliced ham (like individual ham steaks) should be grilled over medium-high direct heat for only 3 to 5 minutes per side. If you are grilling a whole spiral-sliced ham, keep it tightly wrapped in foil for most of the cooking process to prevent the individual slices from drying out and curling up.
How long does it take to grill a ham per pound?
For a pre-cooked ham on a grill set to 325 degrees Fahrenheit, you should estimate about 10 to 12 minutes per pound. However, always rely on your internal meat thermometer rather than the clock, as grill temperatures can fluctuate based on wind and outside air temperature.
What is the best wood for smoking ham on the grill?
Fruitwoods are generally the best choice. Applewood is the most popular because it has a mild, sweet flavor that pairs perfectly with the saltiness of the ham. Cherry wood provides a beautiful reddish hue to the meat. Avoid heavy woods like mesquite or oak unless you want a very intense, earthy smoke flavor.
Do I need to soak my wood chips before putting them on the grill?
This is a debated topic, but most modern pitmasters agree that soaking wood chips is unnecessary. Soaked wood creates steam before it creates smoke, which can lower the temperature of your grill. Dry wood chips or chunks will provide a cleaner, more consistent smoke flavor.
My ham came with a glaze packet, can I use that on the grill?
You certainly can, but homemade glazes usually perform better. Commercial glaze packets are often very high in sugar and can burn almost instantly on a grill. If you use the packet, thin it out with a little bit of water, apple juice, or bourbon to make it easier to brush on and less likely to scorch.