Greenport Soup

Directions

1. 1
   In a large heavy saucepan, combine the chicken broth, peas, lettuce, scallions and parsley.
2. 2
   Bring to a boil over moderate heat.
3. 3
   Reduce the heat to low and simmer for 15 minutes.
4. 4
   In a blender or food processor, puree the soup in batches until very smooth.
5. 5
   In a large saucepan, melt the butter over low heat.
6. 6
   Add the flour and cook, without letting the roux color.
7. 7
   Whish in the pureed soup and the sherry.
8. 8
   Bring to a simmer over moderate heat.
9. 9
   Cook for 5 minutes to blend the flavors.
10. 10
    Remove from the heat.