Holiday Ham with Mustard Glaze

1/2 cup Dijon-style mustard
1/3 cup cider vinegar
1/3 cup light brown sugar, packed to measure
1/2 cup honey
1 tablespoon sesame oil
1 tablespoon soy sauce
1 teaspoon dry mustard
1 tablespoon Gravy Master
1 fully cooked ham (about 12 pounds)

Directions:

1. In a small saucepan, combine mustard, vinegar, sugar, honey, oil, soy sauce, dry mustard and Gravy Master.
   
2. Simmer 5 minutes, stirring frequently.
   
3. Remove from heat and set aside.
   
4. Place ham in open shallow roasting pan. Bake at 325 [degree symbol] F. until meat thermometer registers 140 [degree symbol] F., allowing about 15 minutes per pound.
   
5. Remove ham from oven 30 minutes before end of baking time.
   
6. Remove any rind.
   
7. Trim and smooth fat.
   
8. Score deeply in a diamond pattern.
   
9. Brush ham with glaze; return to oven.
   
10. Bake 30 minutes, brushing several times during baking with remaining glaze.
    
11. Serve immediately with remaining glaze, heated, on the side. Makes about 16 servings.