Steps
1. Preheat grill or grill pan over medium heat.
2. Season chicken breast with salt and pepper.
3. Grill chicken for 6-7 minutes on each side or until fully cooked.
4. Let chicken rest for 5 minutes, then slice thinly.
5. In a bowl, combine salad greens, watermelon cubes, and crumbled feta.
6. Drizzle olive oil and balsamic vinegar over the salad; toss gently.
7. Top salad with sliced grilled chicken.
8. Garnish with fresh mint leaves and serve immediately.