4 slices (3/4 inch thick) ham
2/3 c. brown sugar, packed
1 tbsp. prepared mustard
1 (1 lb. 4 oz.) can sliced pineapple, drained (reserve syrup)

Heat oven to 325 degrees. Mix sugar, mustard and 2/3 cup reserved pineapple syrup. Brush over ham. Bake. Before ham is ready, place pineapple slices on ham. In saucepan, simmer remaining syrup mixture until thickened. Brush pineapple and ham with hot syrup mixture.