Apple strudel: the thin dough envelops the filling

Useful to know

King Arthur’s Apple Strudel wraps stretched dough around an apple filling. This version drains the grated apples and adds butter and breadcrumbs to the dough surface. [1]

Those steps manage moisture in this particular filling; they are not a requirement for every strudel. Substituting ready-made puff pastry creates a different structure. Choose a recipe developed for the dough being used rather than transferring only the product name and baking time.