Place potatoes in a large bowl; drizzle with 1 tablespoon oil. Sprinkle with 1/2 teaspoon pepper and 1/4 teaspoon salt; toss to coat. , Transfer to a greased 15x10x1-in. baking pan. Bake at 400° for 40-45 minutes or until tender, stirring occasionally. , Meanwhile, in a small saucepan, combine the red wine, port wine, plums and rosemary. Bring to a boil; cook until liquid is reduced to about 1 cup, about 25-30 minutes. Remove rosemary and discard. Transfer to a blender; cover and process until smooth. Set aside., Sprinkle pork with remaining pepper and salt. In a large skillet, brown pork in remaining oil; remove and keep warm., Add the broth, cream cheese, cream and plum mixture to skillet; cook over medium-low heat until blended. Return pork to the pan; cook and stir for 8-10 minutes or until meat is no longer pink. Serve pork and sauce with potatoes. Garnish with additional rosemary if desired.