Cheese Potato Soup

Ingredients

• 2 c. diced peeled potatoes
• 1 c. chopped onion
• 2 1/2 c. boiling water
• 1/2 c. diced celery
• 1/4 c. butter or margarine
• 2 1/2 tsp. salt
• 1/4 c. all-purpose flour
• 1/4 tsp. pepper
• 1/2 tsp. powdered mustard
• 1 1/2 tsp. steak sauce
• 2 c. milk
• 8 oz. sharp Cheddar cheese, grated
• 1 tsp. minced parsley
• 1 c. canned stewed tomatoes
• pinch of dill weed
• noodles (optional)