2 c. diced potatoes
3/4 c. minced onion
1/2 c. diced celery
2 1/2 tsp. salt
2 1/2 c. boiling water
4 tbsp. butter
4 tbsp. flour
1/4 tsp. black pepper
1/2 tsp. mustard
1 1/2 tsp. Worcestershire sauce
2 c. milk
1/4 lb. grated cheese
1 tbsp. minced parsley
1 c. cooked or canned tomatoes

Combine potatoes, onion, celery, 1 tsp. of the salt and boiling water in deep kettle. Cover; simmer until tender - about 15 minutes.

Meanwhile, melt butter in double boiler. Blend in flour. Add remaining 1 1/2 tsp. salt and next 4 ingredients, while stirring. Cook, stirring until thickened. Add cheese, if used, and stir until melted. Stir into potato mixture. Add parsley and tomatoes. Heat. Serves 4 as main dish.