Portuguese Spinach Soup

Directions

1. 1
   Cook spinach in water already on washed leaves (briefly).
2. 2
   Chop fine.
3. 3
   Cook onion in butter.
4. 4
   Add the spinach, stock and seasoning.
5. 5
   Simmer 10 minutes.
6. 6
   Stir in egg (well beaten).
7. 7
   Cook until lightly thickened, without boiling.
8. 8
   Sprinkle with Parmigiano Reggiano.
9. 9
   Serves 4 to 6.