Steps
1. Preheat the grill or grill pan to medium-high heat.
2. Season the chicken breast with salt and pepper.
3. Grill the chicken for about 5-7 minutes on each side, or until fully cooked.
4. Let the chicken rest for 5 minutes, then slice into strips.
5. In a bowl, combine salad greens, cherry tomatoes, cucumber, and feta cheese.
6. Drizzle olive oil and lemon juice over the salad and toss gently.
7. Top the salad with sliced grilled chicken and serve immediately.