HEAT marinara sauce, and cook pasta as directed on package omitting salt.
MEANWHILE, beat egg lightly in shallow dish. Mix next 3 ingredients in separate shallow dish. Dip chicken in egg, then in cheese mixture, turning to evenly coat both sides of each breast.
HEAT oil in large nonstick skillet on medium-high heat. Add chicken; cook 6 min. on each side or until done (165ºF). Top with mozzarella; cover. Cook on low heat 3 min. or until mozzarella is melted.
DRAIN pasta; place on platter. Top with sauce and chicken.