1. – In a food processor, pulse the flour, butter, and salt until the mixture resembles coarse crumbs.

2. – Gradually add the ice water and process until the dough just begins to come together.

3. – Turn the dough out onto a lightly floured surface and shape into a disk. Wrap in plastic and refrigerate for 30 minutes.

4. – In a bowl, toss the sliced apples with the sugar and cinnamon.

5. – Roll the dough into a 12×18-inch rectangle. Spread the apple mixture evenly over the dough, leaving a 1-inch border.

6. – Fold the long sides of the dough over the filling, then fold the short sides over to create a rectangular package.

7. – Place the kringle seam-side down on a parchment-lined baking sheet.

8. – In a small bowl, whisk the egg and water. Brush the kringle with the egg wash.

9. – Bake at 400°F for 20-25 minutes, or until golden brown.

10. – Let cool for 10 minutes before slicing and serving.