Ingredients
4 cups all-purpose flour1 tablespoon sugar2 teaspoons salt1-3/4 cup cold shortening1/2 cup cold water1 large egg1 tablespoon white vinegarFILLING:8 cups fresh or frozen blackberries2 cups sugar1/2 cup all-purpose flourHalf-and-half cream
Preparation
In a large bowl, combine flour, sugar and salt; cut in shortening until mixture resembles coarse crumbs. In a bowl, combine water, egg and vinegar; stir into flour mixture just until moistened. Form into a roll. Cover and refrigerate for 1 hour.
On a floured surface, roll two-thirds of the dough into a 18x14-in. rectangle. Carefully place onto the bottom and up the sides of a 13x9-in. baking dish. Combine berries, sugar and flour; pour into crust. Use the remaining dough to make lattice strips; place over the filling. Brush pastry with cream.
Bake at 400° for 15 minutes; reduce heat to 350°. Bake about 1 hour longer or until bubbly. Cool completely. Store in the refrigerator.
