- In a small bowl, toss pears with 2 tablespoons of the buttermilk to prevent flesh browning. Whisk the remaining buttermilk, the vinegar and a pinch each of salt and pepper in another small bowl until combined. Add chives.
- Tear or chop leaves of both lettuces. Mix with watercress and cucumber. Arrange on serving plates and top with blue cheese and sliced pears. Drizzle a little buttermilk dressing over the top, serving the remainder separately.
Mesclun, also called salad mix, is a mixture of young salad leaves. The petals of edible flowers such as nasturtiums are sometimes included. Mesclun is sold loose or in packets from greengrocers and supermarkets. It's an easy, quick option when making a salad.
The darker the greens, the more nutritious the salad. Watercress and rocket, for instance, contain more beta carotene and vitamin C than the pale leaves of iceberg and butterhead lettuces.