Ham Recipes Roaster Oven. Set the roaster heat to 325 degrees fahrenheit. Reduce heat to 250 degrees continue baking total of 4 hours basting occasionally.
Bake the ham alone. Score top and place. Place in an oven preheated to 375 f.
Preheat the electric roaster oven to 325 f.
Unlike ovens with cavernous interiors electric roasters are sized to maintain just the amount of heat and moisture needed. Nov 24 2015 cooking a ham in a roaster frees up precious oven space and results in a moist main dish. Unlike ovens with cavernous interiors electric roasters are sized to maintain just the amount of heat and moisture needed. After 10 minutes turn the oven off and allow the ham to set in the oven for three hours.