Combine flour and salt in a bowl.

Cut in shortening until the mixture resembles coarse crumbs.

In a separate bowl, combine egg yolk and milk.

Add the egg yolk and milk mixture to the flour mixture.

Stir just until the dough clings together.

Divide the dough in half.

On a lightly floured surface, roll half the dough into a 15 x 10-inch rectangle.

Place the dough in a baking pan and set aside.

Prepare apple filling (not detailed in original recipe).

Spread apple filling on dough.

Bake in preheated oven at 375 degrees until golden brown