PREPARATION:
- Spread about 1 teaspoon barbecue sauce on cut sides of each roll.
- Pound chicken breast halves between 2 pieces of plastic wrap to 1/2-inch thickness with flat side of meat mallet or rolling pin. Spread remaining barbecue sauce over chicken.
- Cook chicken in large nonstick skillet over medium-low heat 5 minutes per side or until no longer pink in center. Remove skillet from heat. Place cheese slices on chicken; let stand 3 minutes to melt.
- Place lettuce leaves and tomato slices on roll bottoms; top with chicken and roll tops.
