Lettuce Soup

Directions

1. 1
   Saute onion in butter until gently golden.
2. 2
   Stir in flour, salt, nutmeg and pepper.
3. 3
   Dissolve bouillon cubes in boiling water; add to onion mixture slowly.
4. 4
   Cook over medium heat.
5. 5
   Stir until thickened.
6. 6
   Add lettuce.
7. 7
   Cover and let cook 3 minutes.
8. 8
   Mix together egg yolk and cream.
9. 9
   Stir 1/4 cup soup into yolk-cream mixture.
10. 10
    Pour mixture into soup, stirring constantly.
11. 11
    Cook over low heat, stirring, until soup comes to a boil.
12. 12
    Remove from heat.
13. 13
    Serve at once.