Viennese Sour Cherry Strudel

Name: Viennese Sour Cherry Strudel
Prep time: 30 min
Cook time: 1 h
Total time: 1 h 30 min
Cuisine: German, European
Ingredients: 250 g flour; 20 g vegetable or sunflower oil; 1 pinch of salt; 100 g lukewarm water; 50 g eggs; sunflower oil for brushing; 150 g butter (melted); 70 g crushed graham crackers; 750 g sour cherries (pitted); 60 g sugar *; 2 tbsp kirsch (optional); 120 g ground graham crackers; 1/2 tsp cinnamon; 3 tbsp butter; 2 tbsp butter (melted for brushing); powdered sugar