But you should not fret about this detail. Place pan in oven and cook (allow about 10 … Start preheating your smoker to around 225 degrees Fahrenheit. During the standing time it will continue to cook and the temperature should rise to the appropriate internal temperature. Most hams that you buy at the supermarket are known as city hams, or pre-cooked hams. Bake the ham in the preheated oven, uncovered, for 2 1/2 to 3 hours or until a meat thermometer inserted into the thickest portion registers 140°, basting every 30 minutes with 1/2 cup of the glaze. His articles have appeared on numerous home and garden sites including GoneOutdoors, TheNest and eHow. Of course, heating your ham to the correct temperature is just part of the picture. Next, place the baking dish in an oven heated to 325 degrees Fahrenheit. For cooked hams that have been repackaged in any other location outside the processing plant or for leftover cooked ham, heat to 165 °F. A small ham or ham slice can be glazed and then browned quickly under the broiler. Be especially careful if you're reheating your ham in the microwave, which heats unevenly. How you choose to prepare a ham has as much to do with the type of ham as your personal preferences. For a bone-in ham, place the ham in a shallow baking pan but do not add any water to the pan. During the cutting process, it's quite possible for the ham to become contaminated by bacteria on the meat saw, knives or cutting surfaces at the retail outlet. The sweet glaze can burn easily, so check it frequently. Cooking it at 325 degrees Fahrenheit for about 15 minutes per pound should do the trick, depending on the type of ham (whole or half, bone-in or no bone ― these specifics are outlined here). Remove the ham just around half an hour or one hour before it completes cooking, if you desire to trim, score, and glaze the ham. Remember, all you want to do is heat a pre-cooked ham. Fred Decker is a trained chef and prolific freelance writer. Once the ham has reached an internal temperature of about 150 F (65 C) then you are ready to start applying the sugar to create the crust. City Ham, aka Pre-Cooked Ham. The ham should be left standing for 10 to 15 minutes before carving. Leftover cooked ham—as with other leftovers—must be reheated to a temperature of at least 165 F. This temperature also applies to hams that come from places that are not USDA inspected. They must only be reheated to a safe temperature, a simple thing to do if you have a thermometer. It is really hard to estimate the time that is needed to smoke a 10-pound pre-cooked ham. How long do you cook a precooked 8.5 lb ham at 350? The ham needs to get warm in the middle without having the surface get too dry or cooked. By using The Spruce Eats, you accept our, Baked Ham With Sweet Bourbon-Mustard Glaze. For any frugal cook, that's one of its most ingratiating characteristics. If you're buying a pre-cooked ham in the original packaging, just as it came from the processing plant, your task is simple and straightforward. Bake the ham at 325 degrees F for 20 minutes per pound. The ham reached a food safe temperature while it was cooked by the processor, and went immediately into sterile packaging. Check the label for cooking instructions. I cook mine at approx 250 degrees for about 20 min per pound until it hits 135 internal temp. The situation changes if the ham was taken out of its original packaging and cut down into smaller portions. Heat the leftovers to a temperature of 165 F to kill any bacteria it has accumulated since it was first cooked. Instructions: Preheat oven to 325 F. Wrap ham in foil and place, cut side down, in a pan with a roasting rack. Let stand for 10 minutes before slicing to serve. Here's how to heat a ham labeled "fully cooked." Just let the device smoke the meat until the internal temperature reaches 140 degrees Fahrenheit. You just want to make sure the internal temperature has reached 145 degrees. Dry-cured Italian prosciutto and Spanish jamon are usually thin-sliced and served without cooking, while country-style American hams must be soaked or simmered before they're baked. That means you only need to reheat it until it reaches a temperature above the food safety danger zone, or 140 degrees Fahrenheit. Hams that are not from USDA-inspected plants are heated to 165 F. Southern-cuisine expert and cookbook author Diana Rattray has created more than 5,000 recipes articles in her 20 years as a food writer. Heating a pre-cooked ham is a simple task, not requiring extensive cooking expertise to accomplish. If the ham is labeled "fully cooked" (does not require heating), heat it in the oven for about 10 minutes per pound, or to an internal temperature of 140 F. To heat a spiral-sliced ham, place it on a sheet of heavy-duty foil, cut-side down.