Preheat your grill or grill pan over medium-high heat.
Season the chicken breasts with salt, pepper, and a drizzle of olive oil.
Grill the chicken for about 6-7 minutes on each side until fully cooked.
Remove the chicken from the grill and let it rest for 5 minutes.
Chop the romaine lettuce and place it in a large bowl.
Slice the grilled chicken into thin strips.
Add the sliced chicken to the bowl of romaine lettuce.
Drizzle the Caesar dressing over the chicken and lettuce.
Toss gently to combine all ingredients.
Top with croutons and grated Parmesan cheese before serving.