Place One Loaf On A Lightly Floured Surface. With A Sharp Knife, Make A Lengthwise Slit Down The Center Of Loaf To Within 1/2 In. Of Bottom. Open Dough So It Lies Flat; Sprinkle With Half Of Flour. Roll Into A 14-In. X 5-In. Rectangle. Repeat With Remaining Loaf. In A Large Bowl, Combine Mozzarella Cheese And Pepperoni. Spread Half Of Mozzarella Mixture Down The Center Of Each Rectangle. Drizzle Each With 3 Tablespoons Pizza Sauce. Roll Up Jelly-Roll Style, Starting From A Long Side; Seal Seams And Ends. Place One Loaf Seam Side Down On A Greased Baking Sheet. Place Remaining Loaf Seam Side Down Next To The First Loaf. Twist Loaves Together Three Times. With A Sharp Knife, Make Three Shallow 3-In. Slashes Across Top Of Each Loaf; Brush With Egg White. Sprinkle With Parmesan Cheese And Italian Seasoning. Bake At 350