Prepare the ginger pastry crust, then roll out and blind bake.
MAKE PIE CRUST
Add the cranberries, cranberry juice, granulated sugar, and salt to a medium pot. Cook over medium heat for 10 minutes, or until the cranberries have burst.
MAKE CRANBERRY PUREE
Using an immersion blender, puree the cranberries. Pour through a fine mesh strainer into a bowl, using a spatula to push all the puree out.
MAKE CRANBERRY PUREE
Add sweetened condensed milk, eggs and in a medium bowl and whisk together. Slowly whisk in the cranberry puree.
ASSEMBLE FILLING
Pour the cranberry filling into the baked pie crust.
ASSEMBLE PIE
Bake it for 30-35 minutes or until the custard has a dry appearance on the edges and set nearly throughout, but still slightly wobbly in the middle.
BAKE
Once the pie has chilled, decorate as desired with whipped cream.