Slow Cooker Christmas Ham (Easy Glazed Holiday Ham)

There is a special kind of magic that happens when your Christmas centerpiece practically cooks itself. This slow cooker Christmas ham is exactly that kind of magic: a gorgeous, spiral-cut ham slathered in a sticky brown sugar, honey, and pineapple glaze, left to turn gloriously juicy and caramelized while you wrap presents, frost cookies, or just put your feet up. With only 20 minutes of hands-on work, the slow cooker does the heavy lifting — basting the ham in its own sweet, savory juices for four to five hours until every slice shines like it came from a holiday postcard. No wrestling a giant roasting pan, no babysitting the oven while the turkey, rolls, and casseroles fight for space. Just set it, forget it, and carve the most talked-about ham your family has ever tasted.

Recipe at a Glance

• Prep Time: 20 minutes
• Cook Time: 4–5 hours on LOW (or 2½–3 hours on HIGH)
• Rest Time: 20 minutes
• Total Time: about 5 hours 20 minutes on LOW
• Servings: 12–14
• Ham: 8–10 lb fully cooked, bone-in, spiral-cut ham

Why This Method Works

A Christmas ham is already fully cooked when you buy it — your job is not to cook it, but to reheat it gently so it stays juicy instead of drying out. That is precisely where the slow cooker shines. The low, even heat of a slow cooker warms the ham gradually through the bone, so the outside never overcooks while the center catches up. The lid traps every wisp of steam, creating a humid little cocoon that keeps the spiral slices plump and tender instead of curling and crisping like they do in a hot oven.

Then there is the glaze. Brown sugar and honey melt into the pineapple juice at the bottom of the crock and, over hours of gentle heat, reduce into a glossy, mahogany syrup that clings to every cut. Because the ham sits right in that syrup, it essentially self-bastes the entire cook — no opening the oven door every thirty minutes with a brush. If you have ever wished for an oven-roasted glazed ham without the oven drama, this is the answer. Prefer the traditional route? Our Easy Glazed Christmas Ham covers the classic oven method.

Ingredients

Simple pantry staples do all the work here — no specialty store run required.

• 1 (8–10 lb) fully cooked, bone-in, spiral-cut ham
• 1 cup packed light brown sugar
• ½ cup honey
• ¼ cup Dijon mustard
• ½ cup pineapple juice (from the can of rings)
• 1 teaspoon garlic powder
• ½ teaspoon smoked paprika
• ¼ teaspoon ground cloves
• 1 can (20 oz) pineapple rings in juice, drained (juice reserved)
• 12–14 maraschino cherries, drained
• Fresh rosemary sprigs, for garnish
• Whole cloves or toothpicks, for attaching the fruit (optional)

A quick note on the ham: look for one labeled “fully cooked” — that is the standard spiral-cut ham at the grocery store, and ham has been cured and smoked long before it reaches your kitchen. Bone-in matters here; the bone conducts heat into the thickest part of the meat and adds flavor to the juices. Spiral-cut is non-negotiable for maximum glaze coverage — those pre-cut slices are little channels that drink up the syrup.

Directions

1. Fit the ham. Place the ham cut-side down in a 7-quart (or larger) slow cooker. If the lid will not close, trim a thin slice off the top of the ham or cover the crock tightly with heavy-duty foil — a snug seal is what keeps the moisture in.
2. Make the glaze. In a medium bowl, whisk the brown sugar, honey, Dijon mustard, pineapple juice, garlic powder, smoked paprika, and ground cloves until the sugar mostly dissolves into a thick, pourable glaze.
3. Glaze and nest. Pour about two-thirds of the glaze slowly over the ham, letting it seep between the spiral slices. Tuck the pineapple rings around and on top of the ham, securing with whole cloves or toothpicks, and nestle a cherry in the center of each ring.
4. Cook low and slow. Cover and cook on LOW for 4–5 hours (or on HIGH for 2½–3 hours), until the ham is heated through. The USDA safe temperature for reheating fully cooked ham is 140°F — check with an instant-read thermometer in the thickest part, away from the bone.
5. Baste halfway. About halfway through, spoon some of the bubbling juices from the bottom of the crock over the top of the ham. The slices will already be drinking it up on their own, but a little basting builds that deep, lacquered finish.
6. Caramelize (optional but gorgeous). For a sticky, burnished crust, carefully transfer the ham to a foil-lined baking sheet, brush with the remaining glaze, and broil 2–3 minutes until the edges caramelize. Watch it like a hawk — sugar goes from glossy to scorched fast.
7. Rest. Tent the ham loosely with foil and rest 20 minutes. This lets the juices settle back into the slices instead of running all over the cutting board.
8. Serve. Arrange the slices on a platter, spoon over the warm glaze from the crock, and garnish with fresh rosemary sprigs. Serve warm.

Pro Tips

• Score for more glaze pockets. If your ham is not spiral-cut, score the surface in a diamond pattern about ¼ inch deep before glazing — every cut is another place for the syrup to hide.
• Warm the glaze first. Ten seconds in the microwave makes the brown sugar glaze pour like silk instead of clumping on cold ham.
• Do not skip the rest. Twenty minutes feels long when everyone is hovering, but it is the difference between juicy slices and a puddle on the platter.
• Save the bone. That ham bone makes legendary split pea or bean soup — wrap it and freeze it the same day.
• Double the glaze. If your crowd loves extra sauce for drizzling over mashed potatoes, make a second batch of glaze and simmer it 5 minutes on the stove while the ham rests.

Common Mistakes and How to Fix Them

Mistake: Cooking it too long until it shreds. A spiral ham is already cooked; past 5 hours on LOW the slices can dry and separate. Fix: set a timer and check at 4 hours — pull it when the center hits 140°F, not when the clock says so.

Mistake: Using a ham that is too big for the cooker. A lid that will not close lets all the steam escape. Fix: trim the top of the ham flat with a sharp knife, or tent heavy-duty foil tightly over the crock as a lid.

Mistake: Skipping the thermometer. “It feels hot” is not a doneness cue. Fix: an instant-read thermometer in the thickest meat (not touching bone) reading 140°F is the USDA-safe signal for fully cooked ham.

Mistake: Broiling the glaze unattended. Brown sugar burns in under a minute under a broiler. Fix: broil 2–3 minutes max, door cracked, eyes on it the whole time.

Substitutions

• Ham: A boneless fully cooked ham works — reduce cook time to 3–4 hours on LOW since it is smaller and denser. Shank-end or butt-end hams both work; shank is prettier, butt is meatier.
• Brown sugar: Swap in maple syrup (use ¾ cup and skip the honey) for a maple-glazed twist.
• Honey: Agave nectar or more brown sugar both work; the glaze will be slightly less floral.
• Dijon: Yellow mustard is fine in a pinch — the flavor is milder and a touch sweeter.
• Pineapple juice: Apple juice or orange juice make lovely holiday variations; orange juice plus a strip of orange zest is especially festive.
• Cloves: Allspice or a pinch of cinnamon can stand in for the warm spice note.

Storage and Make-Ahead

Refrigerate leftover ham within 2 hours of serving — never leave it on the buffet all afternoon. Sliced ham keeps 3–4 days in the fridge in an airtight container, with a spoonful of the cooking juices poured over to keep it moist. For longer storage, freeze sliced ham in portion-sized freezer bags with the air pressed out; it keeps its best quality for up to 2 months. Thaw overnight in the fridge and reheat gently (covered, 325°F, with a splash of juice) back to 140°F.

Make-ahead: the glaze can be whisked together up to 3 days ahead and refrigerated. On Christmas morning, place the ham in the crock, pour over the glaze, and let the slow cooker take it from there — dinner is on autopilot.

What to Serve With It

This ham loves classic holiday sides: our Easy 5-Ingredient Corn Casserole soaks up the extra glaze beautifully, and if you are building a full holiday spread, the Herb Butter Roasted Turkey Breast gives guests a second centerpiece to choose from. Round it out with mashed potatoes, roasted green beans, and soft dinner rolls for mopping.

Frequently Asked Questions

How long does a Christmas ham take in the slow cooker?

An 8–10 lb fully cooked spiral-cut ham needs 4–5 hours on LOW or 2½–3 hours on HIGH in the slow cooker. Add 20 minutes of prep and a 20-minute rest, for a total of about 5 hours 20 minutes on LOW. Always verify the center reaches 140°F with a thermometer rather than relying on time alone.

Can I put a frozen ham in the slow cooker?

No — thaw it first. A frozen ham spends too long in the temperature danger zone in a slow cooker, which is a food-safety risk. Thaw your ham in the refrigerator (allow 4–6 hours per pound) before it goes into the crock.

Do I need to add liquid to the slow cooker?

The pineapple juice in the glaze plus the ham’s own juices are plenty — no extra water needed. The ham releases a surprising amount of liquid as it heats, and that liquid becomes the basting syrup.

Can I make this without the pineapple rings?

Absolutely. The rings are decorative and add a sweet-tart note, but the glaze itself carries the pineapple flavor. Skip them and use ½ cup of any pineapple juice from a carton — the ham will still be glossy and delicious.