Steps
              1. Wash and dice the cucumber and avocado into bite-sized pieces.
2. Halve the cherry tomatoes and thinly slice the red onion.
3. In a bowl, combine cucumber, avocado, tomatoes, and red onion.
4. In a small bowl, whisk together lemon juice, olive oil, salt, and pepper.
5. Pour the dressing over the salad and gently toss to coat.
6. Sprinkle chopped cilantro or parsley on top.
7. Optionally, add sliced boiled egg for extra protein.
8. Serve immediately or chill for 10 minutes for enhanced flavor.