- 1/4 cup mayonnaise
- 1/4 cup sour cream
- 4 oz blue cheese, crumbled (1 cup)
- 1 tablespoon fresh lemon juice
- 1 tablespoon finely chopped fresh chives
- 1/4 teaspoon salt
- 1/4 teaspoon black pepper
- 1 to 2 tablespoons milk or water
- 1/2 head iceberg lettuce, coarsely shredded
- 2 bunches watercress, coarse stems discarded (6 cups)
- 3 celery ribs, thinly sliced diagonally
- Whisk together mayonnaise, sour cream, cheese, lemon juice, chives, salt, and pepper in a small bowl and thin with milk or water to desired consistency.
- Toss iceberg, watercress, and celery in a large bowl and drizzle with dressing.