Cut the chicken breast into bite-sized pieces.
Julienne the bell pepper, lettuce, and carrot thinly.
Season the chicken breast with salt and pepper.
Add olive oil to a pan and cook the chicken breast.
Lightly toast the tortilla on a pan to warm it up.
Place the vegetables and chicken breast on top of the tortilla.
Drizzle with sauce, then roll up the tortilla.
Slice into bite-sized pieces and plate to serve.