In a large mixing bowl, combine the chopped romaine lettuce and the Caesar dressing, tossing until the leaves are evenly coated.
Add the sliced chicken breast, shredded Parmesan cheese, and crushed croutons to the bowl.
Toss the mixture gently to distribute the ingredients without breaking the croutons excessively.
Lay each flour tortilla flat on a clean work surface.
Divide the chicken Caesar mixture into four equal portions and place one portion in the center of each tortilla.
Season with black pepper as desired.
Fold the two opposite sides of the tortilla inward towards the center.
Starting from the bottom edge, roll the tortilla tightly upward to enclose the filling.
Slice the wraps diagonally across the center and serve immediately.