01 -
Combine warm whole milk, water, and active dry yeast in a small bowl. Allow to sit for 5 minutes until foamy.
02 -
In a large bowl, whisk together all-purpose flour, kosher salt, and granulated sugar.
03 -
Add cold, cubed unsalted butter to the flour mixture, cutting it in until the mixture resembles coarse crumbs.
04 -
Add the yeast mixture and egg to the bowl and stir gently until the dough just comes together. Avoid overmixing.
05 -
Form the dough into a ball, wrap in plastic wrap, and refrigerate for at least 1 hour.
06 -
Preheat oven to 375°F (190°C). Roll the chilled dough into a large rectangle on a lightly floured surface. Spread apple pie filling down the center and sprinkle with ground cardamom.
07 -
Fold the dough over the filling lengthwise, sealing the edges. Shape into an oval or horseshoe and place on a parchment-lined baking sheet.
08 -
Brush the dough with a beaten egg, if desired. Bake for 22 to 25 minutes or until golden brown and flaky. Remove and cool completely on a wire rack.
09 -
Mix powdered sugar, vanilla extract, and water until smooth. Drizzle over cooled pastry and allow glaze to set before slicing.