Steps
1. Preheat oven to 200°C (400°F). Toss potato cubes with half the olive oil, salt, and pepper; roast for 20 minutes until golden and tender.
2. In a large bowl, combine lettuce, shredded carrot, green onions, tomato, and diced avocado.
3. Add sliced cooked chicken to the bowl.
4. In a small bowl, whisk together remaining olive oil, lemon juice, salt, pepper, and mustard if using to make the dressing.
5. Drizzle dressing over the salad and toss gently to combine.
6. Once potatoes are roasted and slightly cooled, add them to the salad and toss lightly.
7. Serve immediately and enjoy a fresh and hearty salad.