TARRAGON CUCUMBER SALAD DRESSING

2 unpeeled diced cucumbers
2 tablespoons tarragon vinegar or white vinegar
1 tablespoon minced fresh tarragon
  or 1 1/2 teaspoons dried
1/4 teaspoon salt
1 scallion, minced
I egg
1/2 cup vegetable or olive oil

Puree the cucumbers in a food processor or blender. 
Add the vinegar, tarragon, salt, scallion, and egg. 
Process until smooth. 
With processor going, pour the oil in a thin stream. 
Serve over a green salad, spinach salad, or parboiled vegetables.