Icing coated shelf stable high fiber toaster pastry product or packaged consumer food articles are provided as well as their methods of preparation comprising high levels of a soluble fiber ingredient partitioned between the shell, filling and the icing. The present articles comprise an homogeneous baked chemically leavened soluble fiber fortified pastry dough planar shell forming an interior. The fiber fortified dough includes whole grain wheat flour; salt, chemical leavening, shortening, and ≈1-15% added solid powdered polydextrose and in amounts sufficient to provide a total fiber content of the dough of at least 5%. At least a portion of the chemical leavening is provided by ammonium carbonate and in amounts sufficient to provide the dough with a specific baked volume of 1.5 cc/g or greater. The filling includes a liquid soluble fiber ingredient such as polydextrose. The articles are equivalent to conventional toaster pastries in eating qualities notwithstanding their high levels of total fiber.