1. Pour the olive oil into a large pan and place it over medium-high heat. Add the onions and peppers and season with salt and pepper to taste. Cook for 3 to 5 minutes or until vegetables have started to soften

2. Add the chicken to the pan and cook, stirring frequently, until the internal temperature of the chicken reaches 165°F. Stir in the lime juice.

3. Preheat the broiler. Divide the chicken and pepper mixture evenly over the rolls and top each sandwich with ¼ cup cheese. Place on a baking sheet and broil for 3 to 5 minutes or until cheese is melted. Top with chopped cilantro if desired and serve immediately with lime wedges on the side if desired.