40 g (1 1/2 oz) hazelnuts
75 g (3 oz) grapes, quartered and pipped
100 g (4 oz) drained canned water chestnuts
225 g (8 oz) Chinese leaves, finely shredded
450 g (1 lb) cooked turkey meat, cut in bite-sized pieces
2 teaspoons grated Parmesan cheese
1 egg
2 teaspoons olive, sunflower or walnut oil
2 teaspoons lemon or orange juice
pinch of mustard powder
1 garlic clove, crushed (optional)
pinch of black pepper
pinch of sea salt
few drops of Worcestershire sauce
150 ml (1/4 pint) natural low-fat yogurt