how to cook a fully cooked spiral ham in the oven
How to cook or heat a spiral sliced ham. For a cooked ham, the time in a 350Â° oven is 10 minutes per pound of weight.For an uncooked ham, double that to 20 minutes per pound.1  Education.ow to cook or heat a spiral sliced ham. For a cooked ham, the time in a 350Â° oven is 10 minutes per pound of weight.