Vegetarian Mushroom Potato Soup

Ingredients:

5 cups boiling water
2 cups raw potatoes peeled and diced
1/2 lb mushrooms washed cut in half
3 tbsp butter or margarine
1 small onion chopped
3 Tbsp flour
1/2 tsp pepper
1/2 tsp salt
1 tbsp lemon juice
2 tbsp chopped parsley
2 Tbsp Worcestershire Sauce

Preparation:

Melt butter or margarine in pan.
Add chopped onions and mushrooms.
Stir in flour and then the water slowly.
Add potatoes salt and pepper.
Put in lemon juice, parsley, and Worcestershire sauce.
Cook till potatoes are soft.
Stir occasionally to avoid sticking.