Cut the chicken breast into bite-sized pieces.
Prepare the lettuce and tomatoes into easy-to-eat sizes.
Lightly toast the tortilla in a pan to warm it up.
Season the chicken breast with salt and pepper, pan-fry with olive oil, then let it cool.
Layer lettuce, chicken breast, tomato, mayonnaise or mustard sauce onto the tortilla in order.
Roll up the ingredients into a wrap shape to finish.