Once stretched enough to be able to read through the dough, brush 50 grams of the melted butter over the surface.
Sprinkle the breadcrumbs over 2/3 of the melted butter.
Use a slotted spoon or your hands to scoop out half of the apple filling and place it on approximately 2/3 of the dough over the breadcrumbs.
Leave a 1" border with no apple, on one of the short sides and both of the long sides.
To roll the strudel, use the fabric/towel, beginning at the short side with a 1" border, and pull the fabric up so that the dough folds over the filling.
Continue pulling on the fabric until it is fully rolled up. Carefully lift the strudel and place it seam side down on the prepared baking sheet.
Brush the strudel with the remaining butter, and bake in the preheated oven for 40-45 minutes until golden brown. Rotate the pan 180 degrees after 25 minutes.