Deep Dish Blackberry Pie

In a large bowl, combine flour, sugar and salt; cut in shortening until mixture resembles coarse crumbs.

In a small bowl, combine water, egg and vinegar; stir into flour mixture with a fork just until moistened. Form into a roll. Cover and refrigerate for 1 hour.

On a floured surface, roll 2/3 of the dough into an 18 x 14-inch rectangle. Carefully place onto the bottom and up the sides of a 13 x 9 x 2-inch glass baking dish.

Combine blackberries, sugar and flour; turn into crust.

Use the remaining dough to make lattice strips; place over the filling.

Brush pastry with cream.

Bake at 400°F (205°C) for 15 minutes; reduce heat to (350 °F (175°C) and bake for about 1 hour longer or until bubbly. Cool completely. Store in the refrigerator.