Cranberry-Apple Pie

This is my signature dish for the holidays. 

Ingredients
2 cups cranberries
3/4 cups apple juice
1/4 cups corn starch
1 cup sugar
1 pound apples (granny smith)
2 pie crusts (either the pie crust from the Double Crust Apple Pie or trader joe's pie crusts)

Preparation

1. In a medium sauce pan, combine cranberries and apple juice; bring to a boil over high heat.
2. Reduce heat to low and simmer 3 minutes or until skins on cranberries begin to pop.
3. Mix cornstarch with sugar, then stir in cranberries, cook about 2 minutes until mixture bubbles and thickens.  Remove from heat and mix with apples.
4. Heat oven to 375*.  Line 9-inch pie dish with 1/2 of pastry, trimming to about 1" beyond edge of pie dish.  Spoon filling into crust.
5. Roll remaining pastry into 10" circle.  Cut top pastry into 1" strips.  Cris-cross strips to make lattice top, then flute edges.  Brush pastry with water and sprinkle with remaining sugar.
6. Bake 30-35 minutes or until golden brown.