Flatten Bread With A Rolling Pin. In A Bowl, Combine Cream Cheese, Egg Yolk And Confectioners' Sugar. In Another Bowl, Combine Sugar And Cinnamon; Set Aside. Spread About 1 Tablespoon Of Cheese Mixture On Each Slice Of Bread. Roll Up, Jelly-Roll Style. Dip In Melted Butter, Then In Cinnamon-Sugar. Place On An Ungreased Baking Sheet. Bake At 350