Thaw bread dough in greased pan overnight. One hour before you plan to serve your stromboli warm oven to 200° and turn off. Place refrigerated bread in pan into the oven and let rise for about 30 minutes, or until about double in size. Remove risen dough and place on floured surface. Roll into a rectangle about 12 X 16 inches. Preheat oven to 350°. Place the meat and cheese in layers over the entire surface. Sprinkle with parsley and seasoned salt. Roll up lengthwise and brush with egg white. Bake 25-30 minutes. Cut in diagonal slices to serve. Serve hot.