2 tbsp. butter
2 tbsp. brown sugar
2 tbsp. vinegar
1/3 c. celery, chopped
1/2 c. onion, chopped
1/2 c. water
1 c. ketchup
1 tsp. mustard (optional)
Salt and pepper to taste
1 lb. chipped ham

Melt butter and add all other ingredients. Tear ham into small pieces before adding. Simmer, stirring occasionally for about 1 hour. Serve on buns.