Watercress Salad - cooking recipe

Ingredients

2 bunches watercress
1 Tbsp. Dijon mustard
2 Tbsp. red wine vinegar
salt and pepper to taste
4 Tbsp. oil
1 hard-boiled egg, peeled and chopped
2 Tbsp. chopped onion

Preparation

Trim off the tough ends of the watercress and discard.
Rinse the leaves and tender stems.
Drain well.
Put mustard, vinegar, salt and pepper in salad bowl.
Blend with wire whisk.
Add oil, beating with whisk.
Add watercress, chopped egg and onion.
Toss and serve.