In a bowl, mix first 4 ingredients well.
With a fork, prick ham slices all over.
Place in a covered dish.
Pour liquid mixture over ham.
Marinate in refrigerator 1 hour.
Preheat oven to broil.
Remove ham from dish, reserving marinade.
Transfer ham slices to a roasting pan with a rack.
Broil in oven 4-5 minutes each side.
Baste with marinade during cooking.