Preheat the oven to 450 degrees F.
Grease a large baking sheet with cooking spray.
Combine the lemon juice caesar dressing in a shallow bowl.
Add the chicken breasts and turn to coat completely.
In a separate bowl, combine the parmesan, panko, lemon zest and salt.
Dredge the chicken pieces in the panko mixture.
Put the chicken on a the prepared baking sheet.
Bake until the chicken is golden and cooked through, 15 to 20.
Let rest for at least 5 before cutting.
Meanwhile, add the romaine to a large serving bowl and toss with Caesar dressing.
Top salad with sliced chicken and shaved (or shredded) Parmesan.
Drizzle with more Caesar dressing, if desired.