1 1/2 c. brown sugar
1 1/2 c. water
2 tsp. mustard
1/2 c. vinegar

Boil ingredients 10 minutes. Pour over ham. Bake ham at 350 degrees for 1 hour, then reduce heat to 300 degrees and bake for 2 1/2 hours. Put pineapple on ham 1 hour before finished. Baste with glaze during baking.