Clean the salad, wash and drain. Dice cheese. Drain pears. Quarter 2 pieces, remove seeds and cut into slices. Halve the remaining pears.
Roast pine nuts in a pan without fat. Mix olive oil, pear and lemon juice. Season with salt and pepper. Mix lamb's lettuce, cheese and pears, add vinaigrette. Arrange the salad with 1 half of each pear on two salad plates, sprinkle with pine nuts