1Unroll dough on lightly floured surface; press together seams to form 12 x 4 inch rectangle. Sprinkle top of cream cheese with half of dill; lightly press dill into cream cheese. Place cream cheese, dill-side down, in center of dough. Sprinkle cream cheese with remaining dill. Enclose cream cheese in dough by bringing sides of dough together, pressing edges to seal. Place on lightly greased cookie sheet; brush with egg yolk. Bake at 350F, 15-18 minutes or till lightly browned. Serve with assorted crackers and apple slices.