Sweet and Sour Ham on Rice

3-4 c. ham, diced and cooked
1/2 c. green pepper, chopped
1 (20 oz) can crushed pineapple, drain, reserve juice
1/4 c. mustard
3 T. brown sugar
1 T. corn starch
2 tsp. soy sauce
rice, prepared

Brown ham and peppers in skillet.  Measure juice from pineapple; add water to make 1 c. liquid.  Combine in a small bowl - mustard, brown sugar and corn starch.  Stir in juice and soy sauce.  Add to ham mixture.  Cook and stir until thickened.  Add pineapple and cook until hot.  Serve with rice.