Heat oven to 400. Grease a 23 cm pie plate. Arrange turkey in plate; sprinkle with seasoned salt. Separate stuffing into small pieces; arrange on turkey. Top with onions and peas. Beat remaining ingred. until smooth, 15 sec. in blender on high. POur into plate. Bake until knife inserted in center comes out clean. 30-35 min. Cool 5 min. Serve with hot turkey gravy. 6 servings.