Peel the apples and remove the core. One apple grate on a grater, and the rest cut in half and chop thin slices. Mix apples with sugar and raisins.
Cover the baking sheet with parchment and oil. Roll the dough into a large rectangle and gently transfer it to the baking tray. Lay out the filling and spread along the long side of the dough. Cover with the second half of the dough and with wet hands, fix the edges.
Whisk the egg with milk, grease the strudel and make longitudinal incisions on it. Bake at 200 ° C for 35-40 minutes until the strudel is browned.
