Maple Mustard-glazed Ham

Description
This recipe came from an estate sale. I obtained it when I purchased the family collection from the Morgan Estate in Austin, Texas in 1982.
 * Contributed by Catsrecipes Y-Group

Ingredients

 * 12 pound uncured whole fresh ham
 * 3 cans pineapple rings

Glaze

 * 1 cup maple syrup
 * ¾ cup packed brown sugar
 * 2 tablespoons prepared mustard

Directions

 * 1) Combine syrup, brown sugar and mustard in small saucepan and heat until blended.
 * 2) Preheat oven to 350°F.
 * 3) Place ham uncovered in the oven for 20 minutes per pound or until the internal temperature reaches 160 on a meat thermometer.
 * 4) When done let the ham rest for a few minutes before slicing.
 * 5) During the last 30 minutes of baking place ham on ham anchored with toothpicks then brush glaze over ham.