Introduction
Yes, you can put ham in the oven. The right approach depends on whether the ham is fresh and raw, fully cooked, spiral sliced, cured, or canned. The most important factors are removing non-oven-safe packaging, choosing a suitable oven temperature, and confirming the ham has reached a safe internal temperature.
This guide explains how to oven-bake whole or sliced ham, how to reheat cooked ham without drying it out, and which heat limits apply to each type. Instead of relying entirely on cooking time, use a food thermometer to check the thickest part near the bone.
Quick Answer
For raw fresh ham, bake it at 325°F (163°C) or higher until the thickest portion reaches 145°F (63°C), followed by a three-minute rest. For fully cooked ham, including many spiral-sliced hams, reheat to at least 140°F (60°C) unless the package gives different instructions. Follow any higher temperature specified on the label.
Remove plastic wrapping, the label, and any paper or cardboard outer packaging before placing the ham in the oven. Do not put an unopened canned ham in the oven; remove the meat from the can first. A bone-in ham may be roasted in the oven, but remove the bone afterward and let the meat rest before slicing.
Know What Type of Ham You Have
The ham’s label is the best place to start because products with similar names can have very different cooking requirements.
Fresh, raw ham
Fresh ham is uncooked pork and may be sold bone-in or boneless. Because it is raw, it must be heated all the way through to 145°F. It should not simply be warmed in the oven like a cooked holiday ham.
Fully cooked ham
Fully cooked ham has already been heated to a safe temperature and may be ready to eat cold. It still needs reheating if you want it hot. Avoid using a baking temperature designed for raw pork; a moderate oven is usually better for keeping cooked ham moist.
Spiral-sliced ham
Spiral slicing creates a long, thin section that heats quickly. It is often fully cooked, but the package must be checked carefully. The outside slices can feel hot while the center remains cool, so verify the temperature near the middle of the spiral.
Cured or preserved ham
Cured ham is preserved with salt, curing agents, smoke, or a combination of these methods. Some products are ready to eat, while others are intended for further cooking. Country ham, prosciutto, and similar thick cured meats may have specialized preparation directions. Do not assume that all cured ham can be roasted like a fresh ham.
Safe Internal Temperatures
Cooking time is only an estimate because ovens vary and hams differ in thickness, bone content, moisture, and starting temperature. Measure the ham with an instant-read or probe thermometer inserted into the thickest part, away from the bone and any shallow cuts.
| Ham type | Safe temperature and handling |
|---|---|
| Fresh raw ham | Cook to 145°F, then rest for at least three minutes. |
| Fully cooked ham | Reheat to at least 140°F unless the label requires a higher temperature. |
| Spiral-sliced ham | Usually reheat to 140°F; follow package directions and verify that the center is hot. |
| Cured ham marked ready to eat | May be eaten cold or heated to 140°F. Follow the package directions. |
| Previously cooked leftovers | Reheat to 165°F when serving someone pregnant, elderly, immunocompromised, or otherwise at higher risk from foodborne illness. |
Place the thermometer tip in the center of the meat, not against the bone. Bone can transfer heat and create an inaccurately high reading. If the ham has been scored or sliced, take a reading through an uncut, thick section.
Choosing the Right Oven Temperature
A temperature of 325°F to 350°F is the most useful range for most oven-baked ham. Raw ham should not be cooked at a lower oven setting unless the manufacturer gives different instructions. Such a temperature may leave the ham in the foodborne-illness danger zone for too long.
- For fresh raw ham: Use at least 325°F so the outside browns while the interior cooks safely.
- For fully cooked or spiral ham: Use 325°F to 350°F for gentle reheating. A higher temperature is unnecessary unless the package specifically requires it.
- For a small portion: 350°F can shorten reheating time, but check the center frequently.
- For a large, bone-in ham: 325°F promotes more even cooking without excessively darkening the exterior.
The USDA recommends keeping raw and cooked meats below 40°F until preparation and avoiding prolonged room-temperature storage. Allow refrigerated ham to sit in the oven for less than two hours before returning it to cold storage.
Prepare the Ham Before Baking
- Read the package. Find the cooking temperature, estimated time, and final internal temperature. These directions take priority over general guidance.
- Remove all non-oven-safe materials. Take off plastic wrap, plastic bags, cardboard, paper, twist ties, and foam trays. Do not bake meat inside plastic packaging.
- Check for loose packaging. Spiral hams are sometimes wrapped in a plastic pop-up strip. Remove it unless the label explicitly says the packaging is oven-safe.
- Pat the surface dry. Excess moisture slows browning. Lightly pat the meat dry, but do not wash raw ham, because splashing water can spread bacteria around the kitchen.
- Score deep cuts if desired. Make shallow, even cuts through the outer layer of a rind. Avoid cutting deeply into the meat, especially near the bone.
- Choose a pan. Place a bone-in ham on a sturdy roasting pan or a rimmed baking dish. For boneless or spiral ham, use a pan large enough to catch juices and moisture.
- Add seasoning if desired. Glaze, herbs, and spices can be added later. If using a sugary glaze, wait until the ham is mostly heated to reduce burning.
Step-by-Step Guide for Baking Ham in the Oven
- Preheat the oven. Set it to 325°F to 350°F, following the package instructions. For raw ham, stay at 325°F or higher unless the manufacturer directs otherwise.
- Place the ham in the oven. Put the uncovered ham in the center of the preheated oven. If roasting, place the bone side down initially for stability.
- Protect delicate portions if necessary. Cover a spiral ham or lean boneless portion loosely with foil. For raw ham, avoid prolonged foil covering because the exterior may not brown, although uncovered heating is still required for safe cooking.
- Begin checking temperature early. A rough starting point is 20 to 30 minutes per pound, but thickness and starting temperature matter more. Test smaller pieces sooner and large bone-in hams later. The thermometer is the deciding tool.
- Watch the exterior. Brown the surface if necessary by moving the ham away from direct heat or loosely covering an over-darkened area.
- Verify the thickest area. Insert the thermometer away from the bone. Continue cooking until fresh ham reaches 145°F or cooked ham reaches at least 140°F, unless a higher package temperature applies.
- Add a glaze near the end. If using a sugar-based glaze, brush it on during the final portion of cooking and watch it closely. Many glazes contain honey, brown sugar, or fruit and can burn quickly.
- Rest the ham. For fresh ham, rest it for at least three minutes after reaching 145°F. A longer rest of about 10 to 20 minutes can make a large ham easier to carve.
- Remove the bone. Wrap the bone in a clean towel for grip, lift it away carefully, and return the ham to the pan if necessary.
- Slice and serve. Use a sharp carving knife to make even slices. Check the center again after slicing, especially with spiral ham, to make sure the innermost portion was heated evenly.
If you want crisp edges, separate several slices after reheating and place them cut-side down on a hot skillet for two or three minutes. This is safer than trying to reheat the whole ham at a very high temperature.
Raw, Cooked, Spiral, and Cured Ham Compared
| Type | Typical oven use | Key safety note |
|---|---|---|
| Fresh raw ham | Roast or bake until fully cooked. | Use at least 325°F and verify 145°F in the thickest part. |
| Fully cooked ham | Warm for serving or use in recipes. | Heat the center to at least 140°F. |
| Spiral-sliced ham | Cover and bake until the center is hot. | Do not rely on hot outer slices; check near the spiral’s center. |
| Boneless ham | Bake covered for moisture, then uncover to brown. | Adjust for thickness because a flat cut can cook faster than a rolled roast. |
| Cured ham | May need soaking, boiling, or no cooking, depending on the product. | Follow the specific package directions rather than treating it as ordinary raw ham. |
| Canned ham | Remove from the can before warming. | Never heat food inside a metal can. |
A glazed ham is not necessarily fully cooked. The words ready to cook, fresh, or uncooked are signals that the meat needs to reach the raw-ham temperature. A label saying fully cooked, ready to eat, or pre-cooked provides a different starting point.
How to Reheat Cooked Ham in the Oven
Cooked ham dries out quickly because reheating pushes moisture out of the meat. Place slices or a boneless portion in a baking dish, add a small amount of water, stock, apple juice, or glaze, and cover the dish with foil. Heat at 325°F to 350°F until the center reaches at least 140°F.
For a whole spiral ham, a roasting pan is more practical than a small dish. Place it cut-side down for even reheating, add a little liquid if the ham seems dry, and cover it until heated through. Remove the foil for the last several minutes if you want lightly browned edges.
Reheating does not improve the safety of meat that was left at room temperature for too long. If refrigerated cooked ham was kept above 40°F for more than two hours, discard it rather than attempting to make it safe again.
If serving leftovers to someone at higher risk for foodborne illness, reheat the ham to 165°F. Use the same target for a mixed dish containing cooked ham and other leftovers.
Tips and Best Practices
- Use a thermometer. It is more reliable than estimating cooking time, popping juice, or judging color.
- Thaw frozen ham safely. Refrigerate it in its original wrapping or place it in cold water, changing the water periodically. Avoid thawing on the counter.
- Cover lean ham. Foil or a lid helps preserve moisture. Remove it at the end if browning is desired.
- Rest before carving. Resting gives the hot juices time to redistribute instead of running out during the first cuts.
- Watch sugary glazes. Honey, molasses, and brown sugar can darken within minutes. Add them late and rotate the pan if your oven browns unevenly.
- Cook from a refrigerated state. Partially frozen ham may cook unevenly, while a very cold ham will take longer than expected.
- Refrigerate leftovers promptly. Transfer ham to shallow containers and refrigerate within two hours. Use most leftovers within three to four days, or freeze them for longer storage.
For the best texture, choose a ham with visible marbling when possible. Boneless rolled ham is convenient, but a naturally cured bone-in ham often provides more flavor. These are preferences rather than safety requirements.
Common Mistakes and How to Avoid Them
Baking ham in plastic wrapping
Plastic wrap, twist ties, plastic bags, and packaging strips can melt, smoke, contaminate food, or release chemicals into the oven. Remove everything unless the manufacturer explicitly identifies the packaging as oven-safe. Also remove paper and cardboard labels.
Using a raw-ham recipe for fully cooked ham
Cooking a fully cooked ham at very high heat or for a long uncovered period may make it tough before it becomes evenly hot. Use a moderate oven, cover it initially, and check the center early.
Measuring temperature against the bone
Bones conduct heat differently from meat and can give a falsely high temperature. Insert the probe into the center of a thick section without touching the bone.
Checking only the outside of a spiral ham
Because the slices are already separated, the edges may heat quickly while the connected center remains cool. Push the thermometer into the thickest central portion.
Heating ham inside its metal can
Remove canned ham from the can and place it in oven-safe cookware. Metal cans are not designed for oven heating and can damage the oven or create a serious burn hazard.
Roasting frozen ham without planning for uneven cooking
Frozen ham may remain cold in the center even when the outside appears browned. Thaw it safely in the refrigerator for the most predictable results. A product designed for cooking from frozen may be baked directly according to its package instructions.
Ignoring package directions
Packages account for the formulation and intended cooking method. If the label specifies a higher temperature, longer heating period, or special preparation method, follow those directions while maintaining food-safety temperatures.
Frequently Asked Questions
Can you put ham in the oven?
Yes. Ham can be roasted, baked, or reheated in an oven. Fresh raw ham generally requires an oven temperature of at least 325°F and a final internal temperature of 145°F. Fully cooked ham only needs reheating, generally to 140°F. Remove non-oven-safe packaging and verify the center temperature with a food thermometer.
What is the best oven temperature for ham?
For most hams, use 325°F to 350°F. This range safely cooks fresh pork and gently reheats already cooked meat. Follow a higher package temperature if one is provided. Cooking a fully cooked ham at 450°F or higher is rarely necessary and makes it more likely to dry out or burn on the outside.
How long should you cook ham in the oven?
Cooking time depends on weight, thickness, starting temperature, and whether the ham is raw or cooked. A rough starting estimate is 20 to 30 minutes per pound, but check with a thermometer rather than baking for a fixed time. Stop heating raw ham at 145°F and fully cooked ham at 140°F.
Can you put raw ham and cooked ham in the oven the same way?
Not exactly. Raw ham must be fully cooked to 145°F, while fully cooked ham only needs to be reheated to 140°F. Both benefit from a moderate oven, but raw ham needs enough cooking time for its center to reach the proper temperature.
Can you put a bone-in ham in the oven?
Yes. Place a bone-in ham securely in a sturdy roasting pan and cook at 325°F or higher. Avoid lifting it by the exposed bone, because it can fracture. After cooking and resting, wrap the bone in a towel and lift it away carefully.
Can you cook frozen ham in the oven?
It is best to thaw ham in the refrigerator before baking so it cooks evenly. If the package specifically supports cooking from frozen, follow its instructions and verify the safe internal temperature with a thermometer. Do not assume an exterior browned appearance means the center is fully cooked.
Conclusion
Can you put ham in the oven? Yes, as long as you identify the type, remove unsafe packaging, and use a food thermometer. Bake fresh raw ham at 325°F or higher until it reaches 145°F and rests for three minutes. Reheat fully cooked ham in a moderate oven until the center reaches 140°F, following any higher package directions.
The safest and most reliable result comes from checking the thickest part instead of relying only on time. Covering cooked ham helps preserve moisture, while a moderate temperature reduces burning and drying. With the correct preparation and final temperature check, oven-baked ham can be safely served for holidays, meal prep, sandwiches, or leftovers.