HEAT oven to 400ºF.
CUT slit in underside of each shrimp. Heat oil in large skillet on medium heat. Add shrimp; cook and stir 5 min. or until shrimp turn pink. Place, slit-sides down, in shallow baking dish.
PREPARE stuffing as directed on package; spoon onto shrimp.
BAKE 5 min. or until heated through.