In a large bowl, mix the flour and salt. Add the water and oil, then knead the dough until smooth. Cover with plastic wrap and let it rest for 30 minutes.

Prepare the Filling

In another bowl, combine sliced apples, sugar, cinnamon, raisins, and breadcrumbs. Mix well and set aside.

Roll Out the Dough

On a floured surface, roll out the dough as thin as possible into a large rectangle.

Assemble the Strudel

Brush the rolled-out dough with melted butter. Spread the apple filling evenly over the dough, leaving a border. Carefully roll up the dough, tucking in the sides to seal.

Bake the Strudel

Place the strudel seam-side down on a baking sheet lined with parchment paper. Brush the top with melted butter and bake in a preheated oven at 375°F (190°C) for 30-35 minutes, or until golden brown.

Serve

Let the strudel cool slightly before slicing. Serve warm with scoops of vanilla ice cream.