With a perfectly buttery crust and a sweet, jammy filling, this slab pie from Joanne Chang is one of the most delicious desserts you’ll eat all summer.
In a medium bowl, toss the strawberries with the granulated sugar, cornstarch, orange zest and salt. Spread the filling in the pastry crust. Cover with the chilled piece of pastry crust, gently pressing it down around the edges. Brush the top with the beaten egg and sprinkle with the sanding sugar. Using a sharp paring knife, make six 2-inch-long slits in the top pastry. Bake for about 50 minutes, until the crust is deep golden. Transfer the pan to a rack to cool, at least 3 hours. Carefully lift the pie out of the pan and transfer to a platter before serving.