Dinner Chowder

Ingredients

• 2 cups potatoes diced
• 3/4 cup onions minced
• 1/2 cup celery diced
• 2 1/2 teaspoons salt
• 2 1/2 cups water boiling
• 4 tablespoons corn oil
• 4 tablespoons flour, all-purpose
• 1/4 teaspoon black pepper
• 1/2 teaspoon dry mustard
• 1 1/2 teaspoons sauce
• 2 cups milk
• 1 cup cheddar cheese grated
• 1 tablespoon parsley leaves minced
• 1 cup tomatoes drained, chopped