Can I Substitute Potato Flour For All-purpose Flour?

Can I Substitute Potato Flour For All-purpose Flour? Can I substitute potato flour for all-purpose flour? Potato flour Substitutions: For general baking: Replace up to 1/4 of any wheat flour in a recipe or substitute 5/8 cup potato flour for 1 cup all-purpose flour. For yeast breads: Replace up to 1/6 of the wheat flour