Originally, this was a Cajun sandwich. However, the option of Five spice is more easily obtained than Cajun Seasoning. This is certainly not your average sandwich, and one that does take 25 minutes from idea to plate (10 mins preparation and 15 mins cooking) is no ordinary sandwich.
Season the chicken with salt, the Chinese Five Spice, and pepper. Cook chicken in a nonstick frying pan for five minutes, then turn and cook for about another four minutes until cooked through but still moist and juicy. Now squeeze a little lemon juice over it.
While the chicken is cooking, blend the blue cheese and mayonnaise together.
Layer the salad ingredients on top of one slice of bread and slice the chicken thinly and place on top, followed by the blue cheese mayo.
Sandwich together with the remaining bread and eat warm.