1Place chicken breasts between plastic wrap and poud into 1/8"-thickness. Top each chicken breast w/ 2 tbsp cream cheese and 1 tbsp chopped red bell pepper. Sprinkle w/ 1 tsp chives. Roll up breast, press edges to seal. Secure w/ toothpicks. Spray a lg skillet w/ cooking spray.Place over med-high heat. Cokk chicken until browned. Heat oven to 375. Spray a lg casserole dish w/ cooking spray. Place chicken in casserole dish. Sprinkle w/ pepper. In small pan, combine chicken broth, lemon juice and cornstarch. Stir until thickened. Cook 2 more mins. Place chicken in oven, cook 25 min. Stir butter into cornstarch mix, sprinkle w/ remaining chives. Spoon sauce over chicken.