This sandwich hits the spot when you're in the mood for smoky, spicy flavor. To turn the heat up or down a notch, simply adjust the amount of chipotle peppers you add to the mayo. The chicken is seasoned with a simple combination of lime juice, salt and pepper before grilling. Mix finely chopped chipotle peppers and mayonnaise together to spread on the chicken sandwiches. You can use it for other things such as fish, hamburgers or tacos. Serve this sandwich with either a fruit salad or coleslaw.