Potato Soup

Directions

1. 1
   Prepare potatoes, onions and celery.
2. 2
   Place in saucepan, add water, salt and pepper.
3. 3
   Cover and turn to high heat.
4. 4
   Bring to rolling boil, switch to simmer and cook for 20 minutes.
5. 5
   Then add milk and bring almost to a boil, again using high heat.
6. 6
   While this is heating, measure flour into bowl and add egg.
7. 7
   Stir with a fork until thoroughly mixed.
8. 8
   Stir in egg, flour mixture and butter.
9. 9
   Switch to simmer for at least 15 minutes.