Steps
1. Wash and dry the salad leaves, then place them in a bowl.
2. Add the sliced tomato, thinly sliced onion, diced avocado, and torn mozzarella pieces to the salad leaves.
3. In a small bowl, whisk together olive oil, lemon juice, salt, and pepper.
4. Drizzle the dressing over the salad and gently toss to combine.
5. Serve immediately as a light meal or side dish.