White Foam Soup

Directions

1. 1
   Melt butter.
2. 2
   add to flour, then the milk be degrees.
3. 3
   stir thoroughly.
4. 4
   boil well and add garlic celery and mace.
5. 5
   barely simmer for 20-30 minutes, until soup is well flavoured.
6. 6
   cool slightly and then add the yolks of the eggs.
7. 7
   reheat, without boiling.
8. 8
   season and add grated cheese.
9. 9
   beat the egg whites to a stiff froth.
10. 10
    fold half into the soup and put the rest into a hot tureen. pour the soup over and sprinkle with parsley.
11. 11
    serve with fried croutons of bread.