Crockpot Cola Ham
If you’ve ever needed a showstopping main dish for a holiday table, a Sunday family dinner, or a gathering where you’d rather spend time with guests than standing over the stove, Crockpot Cola Ham might be the most reliable answer there is. The combination sounds unexpected — cola and ham — but the science behind it is sound and the results are consistently excellent. As the ham heats slowly in the crockpot, the cola’s sugars caramelize and meld with brown sugar, honey, and Dijon mustard into a glossy, sticky glaze that coats every slice with a deeply savory-sweet flavor. By the time it’s ready to serve, the ham is tender, juicy, and fragrant in a way that makes the whole house smell like a proper celebration is underway.Cookware & Diningware
The best part is how little it asks of you. Most store-bought hams are already fully cooked — all you’re doing is warming the ham through while simultaneously building the glaze around it. The crockpot handles everything; you simply check in occasionally if you’re home, spoon a little of the liquid over the top, and wait. It’s the definition of a set-it-and-forget-it meal that produces results sophisticated enough for any occasion.
Why Cola Works in This Recipe
The choice of cola as a braising liquid might seem unconventional, but it’s been a staple in Southern and American home cooking for decades and for very good reason. Cola contains phosphoric acid, which acts as a natural tenderizer and helps the flavors penetrate the meat. More visibly, the high sugar content in cola caramelizes during the long, gentle cook, forming the sticky, lacquered glaze that defines this dish. The carbonation adds a subtle brightness at the start of cooking that gradually mellows as the liquid reduces and concentrates. The overall effect is a braising liquid that behaves almost like a ready-made sauce base — sweet, slightly acidic, and deeply flavorful after hours of slow cooking.
Regular cola produces the best glaze because its full sugar content caramelizes more effectively. Diet cola works in a pinch but the glaze will be thinner and less glossy, since artificial sweeteners don’t caramelize the same way natural sugars do.
Why You’ll Love This Recipe
Beyond the flavor, the primary appeal is pure practicality. A 6 to 8 pound ham cooked in the crockpot frees up the oven entirely for side dishes — a significant advantage on holiday days when oven space is at a premium. Prep takes about 10 minutes: mix the glaze, pour the cola, position the ham, done. After that, the crockpot takes over for 4 to 6 hours on low or 2 to 3 hours on high, requiring almost no attention.
The result is a ham that’s consistently more moist and tender than oven-roasted versions, because the moist heat of slow cooking prevents the exterior from drying out the way dry oven heat can. Spiral-cut ham is particularly well-suited to this method — the glaze seeps between every pre-cut slice, flavoring the ham all the way through rather than just coating the outside. Leftover ham, which there will be from a joint this size, is versatile and keeps well, making this recipe one of the most practical investments of cooking time you can make.
Ingredient Notes
Fully cooked spiral ham is the ideal choice for this recipe. Spiral-cut hams are pre-sliced in a continuous cut that spirals around the bone, which means the cola glaze can flow between the slices during cooking and infuse the entire ham with flavor rather than sitting only on the surface. A bone-in ham delivers more flavor than boneless — the bone contributes depth to the braising liquid as it heats — but boneless works perfectly well and is easier to carve. Look for a ham in the 6 to 8 pound range, which fits comfortably in most large crockpots. If you need to use a larger ham, you may need to trim a small section off one end so the lid can close fully.
Cola — one standard 12 oz can or slightly less than 2 cups — is the foundation of the braising liquid. Classic Coca-Cola or Pepsi both work. The flavor differences between cola brands are subtle enough that any standard cola will produce excellent results. As noted above, regular cola is preferred over diet for the glaze.
Brown sugar deepens the caramel sweetness of the glaze and helps it thicken. Dark brown sugar produces a more molasses-forward, almost toffee-like glaze depth. Light brown sugar creates a lighter, cleaner sweetness. Either is appropriate; the choice comes down to personal preference. Three-quarters of a cup is the right quantity to balance the savory elements without making the dish taste like dessert.
Honey adds a silky quality to the glaze that brown sugar alone can’t fully replicate, and a subtle floral sweetness that rounds out the flavor. A quarter cup is the right proportion alongside the brown sugar. If you’re out of honey, pure maple syrup substitutes directly and adds a pleasant earthy note.
Dijon mustard is the element that keeps the glaze from tipping too far into sweetness. Its clean, slightly sharp tang cuts through the richness of the sugar, honey, and cola and adds a savory complexity that’s not identifiable as mustard in the finished dish — just as a well-balanced flavor. Two tablespoons is the right amount. Yellow mustard can substitute for a milder result.
Ground cloves are optional but genuinely excellent here. Cloves and ham are a traditional pairing with deep historical roots in American and European holiday cooking, and for good reason — the warm, slightly pungent spice of cloves complements the sweetness of the glaze and the saltiness of the ham with a precision that’s difficult to achieve with any other single spice. One teaspoon ground cloves in the glaze is the right quantity: present, aromatic, but not dominant.
Ingredients
1 fully cooked spiral-cut ham, 6–8 lbs
2 cups (approximately one 12 oz can) regular cola
¾ cup brown sugar (light or dark)
¼ cup honey
2 tbsp Dijon mustard
1 tsp ground cloves (optional but recommended)
Step-by-Step Instructions
Step 1 — Prepare the Crockpot
Lightly coat the inside of a large crockpot (6-quart or larger) with cooking spray. This prevents the sugary glaze from bonding to the sides of the insert during the long cook and makes cleanup considerably easier afterward. If your ham has a plastic or paper covering over the cut face, remove it before proceeding.Slow Cookers
Step 2 — Position the Ham
Place the ham flat-side down in the crockpot. This orientation keeps the ham stable during cooking and ensures the sliced surface of a spiral-cut ham faces upward and outward, where the glaze can flow between the cuts. If the ham is slightly too tall for the lid to close completely, try resting it at a slight angle, or trim a small section from one end with a sharp knife to reduce the height. A small gap in the lid is acceptable — it will release steam rather than trapping moisture — but a fully closed lid produces more consistent results.
Step 3 — Mix the Glaze
In a medium bowl, combine the brown sugar, honey, Dijon mustard, and ground cloves if using. Stir until the mixture is fairly uniform — the sugar won’t fully dissolve at this stage, but everything should be well combined. Pour the cola over the ham first, directing it around the sides so it pools in the bottom of the crockpot rather than washing the glaze off the surface. Then spoon or pour the brown sugar mixture over the top of the ham, using a spoon or spatula to spread it across the surface and encourage it to work its way between the spiral-cut slices. The cola and glaze will combine as they heat and create the braising liquid that builds the final sauce.
Step 4 — Slow Cook
Cover the crockpot and cook on low for 4 to 6 hours, or on high for 2 to 3 hours. Because the ham is already fully cooked, you’re reheating it rather than cooking it from raw — the goal is an internal temperature of 140°F (60°C) throughout. Low and slow is the preferred method: the longer, gentler heat gives the glaze more time to develop and penetrate the ham, and the low setting produces more moisture in the pot than the high setting. If you’re home during cooking, baste the ham once or twice by spooning the liquid from the bottom of the crockpot over the surface — this builds up an increasingly thick, glossy coating as the cooking time progresses. Basting is optional but noticeably improves the final result.
Step 5 — Reduce the Glaze (Optional but Excellent)
When the ham is done, carefully transfer it to a serving platter using large tongs or two large spoons. Pour the remaining liquid from the crockpot into a small saucepan and simmer over medium-high heat for 5 to 10 minutes, stirring occasionally, until it reduces to a thick, syrupy glaze consistency. This step takes the cooking liquid from a thin braising liquid to something closer to a proper sauce — rich, glossy, and intensely flavored. Spoon or brush this reduced glaze generously over the ham before serving and pass any remaining sauce at the table.
Step 6 — Slice and Serve
For a spiral-cut ham, the individual slices will come away from the bone easily — run a knife along the bone to release the slices if they haven’t separated fully during cooking. Arrange on a platter and spoon additional glaze over the top. Serve immediately while warm.
Tips for the Best Results
Choose a spiral-cut ham if possible. The pre-cut slices allow the cola and glaze to penetrate deep into the ham throughout the cooking process, flavoring every bite rather than just the exterior. A whole uncut ham works but produces a less deeply flavored result.
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