Make a decadent braided apple and walnut strudel

– 500 gram (4 cups) all-purpose flour

– 250 grams (1 cup / 2 sticks) cold butter, cubed

– 10 grams (2¼ tsp) active dry yeast

– 80 grams (⅓ cup) granulated sugar

– ¼ vanilla bean (or ½…