HEAT oven to 400ºF.
PLACE chicken, smooth sides down, on work surface. Combine broccoli, 3/4 cup cooking creme and 1/2 cup shredded cheese; spread onto chicken. Roll up tightly, starting at one short end of each breast. Secure with wooden toothpicks, if desired.
PLACE, seam sides down, in 8-inch square baking dish sprayed with cooking spray. Mix remaining cooking creme and milk; spoon over chicken. Sprinkle with remaining shredded cheese; cover.
BAKE 30 min. or until chicken is done (165ºF). Remove and discard toothpicks before serving chicken..