Hearty Potato Chowder by Harriet Jean Wassom

Name: Hearty Potato Chowder by Harriet Jean Wassom
Ingredients: 2 cup(s) diced potatoes (not too fine); 3/4 cup(s) diced onion; 1/2 cup(s) finely chopped celery; 2 teaspoon(s) salt; 2 1/2 cup(s) water; 4 tablespoon(s) margarine; 4 tablespoon(s) flour; 1/4 teaspoon(s) pepper; 1 teaspoon(s) mustard (not dry) (i also add 1 tsp. of spicy); 1 to 1 ½ teaspoon(s) Worcestershire sauce; ½ pound(s) cooked sausage in bits; 2 cup(s) milk; ¼ pound(s) lbs. process cheese, cut small or shredded helps; 1 tablespoon(s) chopped parsley or minced; 1 cup(s) drained tomatoes, cut in sections