In a large mixing bowl, combine the chopped chicken breast, romaine lettuce, parmesan cheese, crushed croutons, black pepper, and fresh parsley.
Pour the Caesar dressing over the mixture and toss until all ingredients are evenly coated.
Lay the 4 large flour tortillas flat on a clean surface. Divide the salad mixture evenly among the tortillas, placing it in the center of each.
Fold the left and right sides of the tortilla inward, then roll tightly from the bottom up to enclose the filling completely.
Cut in half diagonally and serve immediately, or wrap tightly in parchment paper for a portable meal.