Preheat oven to 180°C. Spread walnuts over a baking tray. Bake in preheated oven for 6-7 minutes or until lightly toasted. Remove from oven and set aside for 5 minutes to cool. Coarsely chop.
Step 2
Combine the tomato, capsicum, cucumber, onion and parsley in a large bowl. Drizzle with oil and vinegar and gently toss to combine. Divide the salad among serving plates and sprinkle with walnuts and feta. Season with pepper and serve immediately.