Chicken Waldorf salad

Chicken

• 500 g hot water
• 500 g chicken breasts cut into slices (1 cm thickness)
• 1 tsp dried tarragon
• olive oil for drizzling
• salt to season
• ground black pepper to season

Waldorf salad

• 100 g mayonnaise (see Tips)
• 20 g lemon juice
• 60 g sour cream
• 1 tsp Dijon mustard
• ½ tsp salt
• ½ tsp ground black pepper
• 1 bunch watercress
• ½ fresh pineapple peeled, cored, quartered and cut into thin slices (see Tips)
• 2 celery stalks cut into thin slices
• 1 red apple unpeeled, cored and cut into thin slices
• 2 spring onions/shallots trimmed and cut into thin slices
• 1 orange peeled and segmented (optional)
• 50 g walnuts broken into pieces (optional)