how long to bake a ham
275Â°F-Bake for 20 minutes per pound (about 2 to 2 1/2 hours total) 350Â°F-Bake for 10 minutes per pound (about 1 to 1 1/2 hours total) The ham is ready when it has reached an internal temperature of about 120Â°F to 140Â°F. 1. Heat the oven to 275Â°F and line the roasting rack with several long pieces of foil.75Â°F-Bake for 20 minutes per pound (about 2 to 2 1/2 hours total) 350Â°F-Bake for 10 minutes per pound (about 1 to 1 1/2 hours total) The ham is ready when it has reached an internal temperature of about 120Â°F to 140Â°F. 1. Heat the oven to 275Â°F and line the roasting rack with several long pieces of foil.