How to Reheat Spiral Ham in Oven? For Extra-Crispy, Satisfying Results

Introduction

Reheating spiral ham is easiest when you use gentle heat to warm the center, followed by a short blast of high heat to restore the browned edges. This two-stage method produces meat that is hot throughout, juicy rather than dry, and pleasantly crisp around the outside.

If you have a fully cooked spiral ham, place it in a covered roasting pan at 325°F (165°C) until the interior is steaming hot. For leftovers, make sure it reaches 165°F (74°C). Uncover the ham for the final few minutes or finish it under the broiler so the fat and outer surface become crisp.

This guide explains how to reheat spiral ham in the oven, how long the process takes, and how to adjust the method for a whole ham, individual slices, a glazed ham, or thick bone-in portions. It also covers temperature, food safety, storage, and the mistakes that cause reheated ham to become dry or tough.

Table of Contents

• Introduction
• Quick Answer
• How Oven Reheating Works
• How to Prepare the Ham
• Step-by-Step Guide
• Temperature and Time Guide
• How to Get Extra-Crispy Results
• Whole Ham or Individual Slices
• Safe Temperature and Doneness
• Storing Reheated Ham
• Tips and Best Practices
• Common Mistakes and Solutions
• Frequently Asked Questions
• Conclusion

How to Reheat Spiral Ham in Oven?

The most reliable way to reheat spiral ham is to cover it loosely with foil and heat it at 325°F (165°C) until the center is hot. Depending on the quantity and thickness, this stage usually takes 15 to 30 minutes. A whole bone-in ham may need closer to 40 minutes.

After the ham reaches the desired temperature, remove the foil. Brush the surface lightly with its juices or a small amount of oil, then place it under the broiler for 2 to 5 minutes. The exterior should brown and crisp, but it should not burn. Let the ham rest for about 5 to 10 minutes before slicing.

1. Preheat the oven to 325°F (165°C).
2. Remove the spiral ham from its packaging and place it in a roasting pan or on a rimmed baking sheet.
3. Add a small amount of water, broth, or reserved ham juice to the pan.
4. Cover the ham with foil so it warms evenly without drying out.
5. Heat until hot throughout, checking after 15 minutes and every 5 minutes thereafter.
6. Uncover the ham and broil for 2 to 5 minutes until the outside is crisp.
7. Rest for 5 to 10 minutes, slice with a sharp knife, and serve.

How Oven Reheating Works

Spiral ham contains a substantial amount of fat, lean muscle, and often bone. Reheating it at full roasting temperature for too long can push moisture out of the meat before the center becomes evenly hot. The result is a ham with a pleasant browned exterior but a dry, fibrous interior.

Covered, moderate heat solves the first problem. Foil traps steam and allows heat to move gently through the ham. The liquid in the roasting pan also creates moisture around the meat, helping protect it from becoming leathery.

The covered phase heats the center. The uncovered or broiled phase finishes the dish by evaporating surface moisture and browning the fat. Browning creates flavor and texture but does not significantly dry out the interior if the broiling stage is brief.

These two stages are especially useful for spiral ham because the uneven cuts allow thin pieces to become overcooked before a thick section is fully heated. Moving thin pieces closer to the end of the covered heating time helps the entire ham warm at roughly the same rate.

How to Prepare the Ham

Before placing the ham in the oven, check whether it is refrigerated, frozen, fully cooked, glazed, or still raw. Preparation and safe temperatures depend on those factors.

For refrigerated or leftover spiral ham

Remove the ham from its original packaging. If it has a plastic or cardboard portion containing the spiral bands, remove all of it unless the manufacturer explicitly says it is oven-safe. If the ham was stored in a sauce, pour that liquid into the roasting pan.

Use a temperature probe if the ham is thick, bone-in, or reheated from leftovers. Temperature is more reliable than judging by appearance alone.

For frozen spiral ham

Thaw it safely in the refrigerator before reheating whenever possible. Place the wrapped ham on a tray to catch condensation and allow roughly 24 hours per 2 to 3 pounds. A thawed ham can then follow the standard reheating method.

Do not place a frozen solid ham in a hot oven and assume the cooking time will simply be longer. The exterior may overheat, scorch, or remain tough while the center warms slowly.

Choose a suitable pan

A deep roasting pan is ideal for a whole ham because it holds the protective liquid. A rimmed baking sheet works for slices, boneless pieces, or portions without much liquid. The pan must fit comfortably in the oven with clearance on all sides.

Do not use a disposable foil tray for broiling. Remove the ham from that tray before the final high-heat stage.

If the ham has a sugary glaze, leave it uncovered when possible so it does not trap moisture, but avoid adding the glaze until the final phase. Brown sugar, honey, and fruit glazes burn quickly.

Step-by-Step Guide

1. Preheat the oven. Set it to 325°F (165°C). If crisping is the main goal, allow the ham to warm covered first, then finish under the broiler. This is safer and more effective than broiling the entire ham from cold.
2. Prepare the roasting pan. For a whole ham, add about 1/2 to 1 cup of water, broth, apple juice, or reserved ham juice. The liquid should not cover the meat. For a boneless spiral ham, a few spoonfuls of liquid are usually enough.
3. Add the ham. Place the whole ham, cut-side down if it has one large flat side, or arrange slices in a single layer without crowding them. Leave space between slices so heat can circulate.
4. Cover loosely with foil. Tent the pan and press the foil lightly around the meat without sealing it so tightly against the surface. If the ham has a tall bone, make a small opening for it.
5. Begin heating. Bake for an initial 10 to 15 minutes. For a large, cold, or thick bone-in ham, begin checking after 20 minutes. Continue heating until the center reaches the appropriate safe temperature.
6. Check the temperature regularly. Insert a probe into the thickest part, avoiding the bone and the spiral bands. A large ham may take 25 to 40 minutes, while several slices may be ready in 10 to 15 minutes.
7. Remove the covering. Carefully lift the foil so hot steam does not escape toward your face. Discard the foil before broiling. Optionally brush the surface with pan juices, melted butter, olive oil, or the small amount of fat rendered from the ham.
8. Finish under the broiler. Broil on high for 2 to 5 minutes, depending on thickness. Keep the oven door slightly open if your appliance allows it, and watch continuously. The exterior should be deeply golden with a few darker crisp spots, not blackened.
9. Rest the ham. Remove it from the oven and let it stand for 5 to 10 minutes. Resting helps redistribute hot juices and makes the meat easier to slice without tearing.
10. Slice and serve. Use a long, sharp knife. For a spiral ham, cut between the metal bands if they remain attached. For slices or a boneless piece, serve whole or cut the individual slices into thicker reheated pieces as needed.

Temperature and Time Guide

The times below are estimates because the starting temperature, thickness, bone, and amount of ham all affect reheating. A thermometer should determine when the ham is ready.

If the ham is still cold in the center, continue heating it while covered. If it is safely hot but lacks browning, add only the short finishing phase. Do not use broiling time to make up for inadequate internal heating.

How to Get Extra-Crispy Results

Extra-crispy spiral ham comes from removing surface moisture and exposing the ham to intense heat briefly. The covered reheating stage preserves juiciness, while the final uncovered stage creates the crust.

Broil after covered reheating

Transfer the uncovered ham to the top rack and broil at high heat. Slices need only about 1 to 3 minutes, while a large ham may need 3 to 5 minutes. Stay close to the oven because fat and glaze can catch fire quickly.

For more control, broil in one-minute intervals. Check after every minute and stop as soon as the surface is crisp. The top of the ham often browns faster than the edges.

Use the rendered surface fat

A spiral ham usually releases enough fat during reheating to crisp without added oil. If a lean boneless portion looks dry, brush it lightly with olive oil, melted butter, reserved ham juices, or rendered fat.

Use restraint. A thick layer of oil can become greasy, and sugary coatings can turn bitter during the broiler stage.

Crisp individual slices

Arrange slices in a single layer for the finishing phase. Overlapping slices create steam and prevent browning. For especially crisp edges, warm the covered slices first, spread them apart on the pan, and broil for a final 1 to 2 minutes.

Add glaze at the end

Honey mustard, brown sugar, barbecue sauce, fruit preserves, and maple mixtures taste excellent on spiral ham. However, they should be brushed on during the final 5 to 10 minutes, ideally after the ham is already hot.

Use a light glaze and watch it continuously. If it bubbles very quickly or develops a dark edge, reduce the broiler setting or move the ham lower in the oven.

Whole Ham or Individual Slices

The most convenient choice depends on how you plan to use the ham. A whole ham takes longer but keeps the meat warm together and presents well for serving. Individual portions heat faster and are more efficient for leftovers.

Reheating a whole spiral ham

Place the ham in a covered roasting pan with a small amount of liquid. If the ham sits on a removable rack, keep the liquid below the meat so the underside does not become soaked. Heat at 325°F until the thickest section is hot, then uncover and broil.

You do not need to reheat a whole ham all the way through if you plan to carve it and reheat slices separately. Warming it just enough to slice cleanly can produce better results when individual servings are finished later.

Reheating spiral slices

Arrange the slices without stacking them, add a spoonful of pan juices, and cover tightly. Thin slices usually need 10 to 15 minutes at 325°F. Uncover and broil for 1 to 2 minutes if crisp edges are desired.

If several slices are stacked, they heat like one thick piece. Separate them during reheating or use a wider pan to reduce reheating time.

Reheating thick carved pieces

Previously reheated ham may become drier each time it is heated. Give thick pieces a brief uncovered finish in the oven, cover them loosely, add a tablespoon of pan juice, and reheat gently. Avoid broiling them heavily because the second heating may burn the outside before the center warms.

Safe Temperature and Doneness

For food safety, follow the package directions for the particular ham. The recommended temperature depends on whether the ham is fully cooked, raw, refrigerated, frozen, or handled as a leftover.

A fully cooked spiral ham should be heated until steaming hot throughout. A conservative target for refrigerated leftovers is 165°F (74°C). Check temperature in the thickest part without touching the bone. A single reading from the outermost edge is not sufficient.

If the ham was cooked but not labeled fully cooked, use 160°F (71°C) and allow at least three minutes at that temperature. For a truly raw fresh ham, follow the package directions and a food-safety authority’s recommendation, which is commonly 160°F with a three-minute rest.

Some fully cooked ham is packaged with a “heat and eat” instruction. Follow that instruction if it conflicts with a general method, but adding a short broil is usually appropriate when browning is desired.

Use a clean food thermometer, avoid double-dipping, and wash hands and utensils after handling raw ham. Do not taste the meat to test readiness.

Storing Reheated Ham

Refrigerate cooked ham promptly. Refrigeration should begin within 2 hours of taking it out of the hot environment, or within 1 hour when the surrounding temperature is above 90°F (32°C).

Store the ham in shallow, airtight containers or tightly covered foil. For boneless sliced ham, shallow storage containers cool more quickly and reduce condensation. A bone-in ham should be covered well so the exposed bone does not dry out.

Keep the refrigerator at 40°F (4°C) or below. Most cooked ham is safe in the refrigerator for approximately 3 to 4 days after thawing or cooking. Some specialty cured hams may keep longer, but the label and handling history take priority.

For longer storage, ham can generally be frozen for about 3 to 6 months while maintaining good quality. Freeze it in a moisture-resistant package and thaw it in the refrigerator. Do not repeatedly thaw and refreeze the same portion.

Reheat only the amount you plan to eat. A small skillet or covered microwave-safe dish heats a serving faster and causes less moisture loss than reheating an entire ham. Finish it briefly in the oven if you want crisp edges.

Tips and Best Practices

• Warm before crisping. A short covered phase protects the interior while a brief broil creates browning.
• Use a temperature probe. It prevents both underheating and unnecessary oven time.
• Add a little liquid. Water, broth, cider, or reserved ham juice creates steam and reduces drying.
• Choose the right pan. A roasting pan holds liquid around a whole ham, while a rimmed sheet is best for exposed browning.
• Turn a large ham if possible. A whole or bone-in ham may need a turn for even warming.
• Move the thin portions first. Remove loose slices or small pieces after a few minutes if they are already hot.
• Glaze late. Sugary sauces added at the beginning may burn before the ham is fully heated.
• Rest before slicing. A 5- to 10-minute rest gives the juices time to settle.
• Use sliced and chopped ham for crisp cooking. Thin or small pieces brown faster than a large bone-in ham.
• Keep the pan manageable. Let hot liquid cool or transfer the ham before slicing to prevent grease splatter.
• Don’t leave ham at room temperature. Hot holding above 140°F (60°C) is appropriate for serving, but leftovers should not remain in the danger zone.
• Plan for carryover heat. The center may continue warming after the ham leaves the oven, but this is not a reason to skip the safe temperature check.

Common Mistakes and Solutions

Reheating the ham at high heat for the entire time

Broiling a cold ham for 20 minutes can scorch the fat and outer meat before the center warms. Cover it at 325°F first, then broil only after the interior is hot.

Wrapping the ham tightly in foil

Tight foil traps moisture but has little effect on browning. Use foil for gentle heating, then remove it completely. A loose tent also allows some steam to escape.

Drying out the pan

Some cooks mistakenly believe that uncovered reheating is the only option. If the pan becomes empty before the ham is hot, add more hot water, broth, or ham juice. The liquid protects the meat while leaving the oven free to brown it later.

Adding a sugary glaze too soon

Sugar-containing glazes darken much faster than the ham heats. Warm the ham first, then add the glaze for the last 5 to 10 minutes. Keep it away from the broiler for more than a few minutes.

Judging only by the color

Dark edges can appear while the center remains cool. Conversely, ham may look pale but be properly heated. Use an instant-read or probe thermometer in the thickest section.

Leaving slices stacked

Overlapping slices heat unevenly and steam in the center. For fast, even reheating, arrange them in one layer. If the oven pan is crowded, use a second pan or heat the ham in batches.

Overbroiling for a deeply browned surface

Spiral ham contains fat, which can ignite under a broiler. Stay nearby, use one-minute checks, and stop when the exterior is golden and crisp. If fat pools beneath the ham, drain it before a longer broil.

Storing a large whole ham in a deep container

A deep pan traps heat and can cool the center slowly. Remove most of the meat and place shallow portions in covered refrigerator containers, or use a large sheet pan and loosely cover the whole ham.

Reheating previously reheated slices too aggressively

Each additional heating cycle can remove more moisture. Cover gently at 325°F, add a little juice, and use a short broiler finish only when necessary.

Frequently Asked Questions

How long does it take to reheat a spiral ham in the oven?

Allow about 15 to 30 minutes for sliced or boneless ham at 325°F. A whole, thick, or bone-in spiral ham may need 25 to 40 minutes. Add 2 to 5 minutes under the broiler for a crisp exterior. Check the internal temperature rather than relying on time alone.

How do I reheat spiral ham without drying it out?

Reheat it gently in a covered roasting pan with a small amount of water, broth, or reserved ham juice. Keep the foil on during most of the heating process, then uncover only for the final broil. Avoid heating the ham uncovered from the start.

What temperature should I reheat a fully cooked spiral ham to?

Heat a fully cooked ham until it is steaming hot throughout. For refrigerated leftover ham, 165°F (74°C) is a safe target. Follow package instructions when the ham has a specific preparation direction, especially if it is not labeled fully cooked.

Can I make reheated spiral ham crispy in the oven?

Yes. Warm the ham while covered at 325°F, remove the foil, and broil it for 2 to 5 minutes. Thin slices may need only 1 to 3 minutes. Watch closely because the fat and any sugary glaze will brown rapidly.

Should I add the glaze before or after reheating the ham?

Add a sugary glaze near the end. Most ham is already close to the desired internal temperature by then, and the short finishing period allows the sauce to caramelize without burning. Use a thin layer and supervise it under the broiler.

Can I reheat a bone-in spiral ham in the oven?

Yes. Place it in a deep roasting pan, add liquid below the level of the meat, and cover loosely with foil. Heat to the desired safe temperature, uncovered and broil for a crisp finish. A bone can conduct heat and create a misleadingly hot reading, so check the thickest meat beside it.

Conclusion

The best way to reheat spiral ham in the oven is to combine gentle covered heating with a short broiled finish. Begin at 325°F, add a small amount of liquid, and cover the ham so the center heats evenly without losing excessive moisture. Once it is safely hot, remove the foil and broil for only a few minutes to crisp the surface.

For a whole or bone-in ham, start checking the temperature after 20 minutes and allow up to 40 minutes. Slices may be heated in 10 to 15 minutes. Use a food thermometer, add glaze near the end, and rest the ham before serving. By following this method, you can enjoy spiral ham that is hot throughout, tender in the center, and extra-crispy on the outside.