How Long Does It Take to Cook a Ham in the Oven Step-by-Step
You’ll want to cook your ham at 325°F. Timing it depends on whether it’s pre-cooked or raw.
For pre-cooked hams, allow about 10 to 15 minutes per pound. For raw hams, plan on 18 to 20 minutes per pound.
Place the ham cut side down in a roasting pan, cover tightly with foil, and remove the foil in the last 30 minutes if glazing.
Keep an eye on the internal temperature for perfect doneness.
There’s more to know for getting the best results. So, stick around if you want to nail that perfectly cooked ham every time!
Factors Affecting Ham Cooking Time

Although the general guideline is to cook a fully cooked ham for 10 to 15 minutes per pound at 325°F, several factors affect the exact cooking time. Your ham’s size and type play a big role; a whole ham will take longer than pre-sliced or spiral-cut versions.
Bone-in hams usually need more time than boneless because the bone slows heat penetration. If you’re working with a pre-cooked ham, you’re mainly reheating it, so cooking time is shorter.
Oven temperature affects how quickly your ham reaches the ideal internal temperature, which you should check with a meat thermometer. Slice thickness matters too—thicker slices take longer to heat through.
Always confirm the internal temperature reaches a safe level for your specific ham type for best results. It’s better to double-check than to end up with an undercooked or dried-out ham!
Step-by-Step Guide to Oven Cooking a Ham

When you’re ready to cook your ham, start by preheating your oven to 325°F. Place the ham cut side down on a rack in a roasting pan. Then cover it tightly with foil to keep it moist throughout the cooking process.
Calculate the cooking time based on minutes per pound: 12-15 for fully cooked ham or 18-20 for uncooked ham. Follow these simple steps:
Calculate cooking time by weight: 12-15 minutes per pound for cooked ham, 18-20 for uncooked.
- Preheat your oven and position the ham properly.
- Cover with foil to retain moisture.
- During the last 30 minutes, uncover and brush on glaze.
- Check the internal temperature—140°F for fully cooked ham, 160°F for uncooked.
Once it’s done, let the ham rest before carving. This helps lock in those delicious juices.
Conclusion
Cooking a ham in the oven might seem time-consuming, but with the right steps, it’s surprisingly simple and rewarding. While waiting might test your patience, the juicy, flavorful result makes every minute worth it.
You’ll go from wondering if it’ll take forever to enthusiastic anticipation for that first delicious slice. So, don’t rush—embrace the process, and you’ll enjoy a perfectly cooked ham that’s well worth the wait.
Remember, cooking a ham in the oven is all about timing and temperature. Follow the step-by-step instructions carefully, and you’ll have a beautifully baked ham that’s tender, juicy, and full of flavor. The key is to give it the proper amount of time to cook through without drying out.
In the end, how long does it take to cook a ham in the oven? It depends on the size and type of ham, but generally, plan for about 15 to 20 minutes per pound at 325°F. Patience during this process guarantees a delicious, satisfying meal that everyone will love!