Leeks With Mustard Dressing

Directions

1. 1
   Steam leeks over a saucepan of boiling water until they are just tender.
2. 2
   Meanwhile, in a bowl, stir together mustard & vinegar.
3. 3
   Cut egg in half lengthwise & scoop egg yolk into the bowl & mash it thoroughly into the mustard mixture, using a fork.
4. 4
   Gradually work in the oil to make a smooth sauce, then season to taste with salt & pepper.
5. 5
   Life leeks out of steamer & place on several layers of paper towels, then cover them with more paper towels & pat dry.
6. 6
   Transfer leeks to serving dish while still warm.
7. 7
   Spoon dressing over them & let cool.
8. 8
   Finely chop egg white using a large sharp knife, then mix with chopped fresh parsley & scatter over the leeks.
9. 9
   Chill in refrigerator until ready to serve.