HEAT oil in large nonstick skillet on medium-high heat. Add meat; cook 5 min. or until each piece is browned on both sides, turning after 3 min.
MIX gravy and dressing until blended; pour over meat. Add peas; bring to boil. Meanwhile, prepare stuffing as directed on package.
SPOON stuffing over ingredients around edge of skillet; cover. Simmer on medium-low heat 8 min. or until stuffing is heated through and meat is done (145ºF). Remove from heat. Let stand 3 min. before serving.