In a bowl, cut up your leftover chicken to the appropriate size. Mix in mayonnaise, salt, pepper, and bacon bits.
Cut up tomatoes. You can add the tomatoes to the chicken salad or as a topping on the lettuce wrap.
Wash the lettuce leaves, and dry them.
Place a scoop of the chicken salad on each lettuce wrap. Top with tomato slices and chopped scallions.
eat!