Mix flour, salt, shortening, egg yolk and milk for pie crust. Roll one half the dough to fill 10 1/2 x 15 1/2-inch cookie tray. Sprinkle with crushed cornflakes. Top with apples. Sprinkle with cinnamon & sugar. Roll out other half of dough and place on top of apples. Pinch edges. Beat egg white till stiff and spread over crus Tbsp Bake at 350° F or 60 minutes.
While warm, mix water, powdered sugar and vanilla. Drizzle over warm crust.
Servings: