Blueberry Crumble Pie

INGREDIENTS

For the Crust:

1 1/4 cups

unbleached all purpose flour

4 tbsp

cold unsalted butter, cut into ½" chunks

3 tbsp

vegetable shortening

1/2 tsp

salt

3 tbsp

ice water

For the Blueberry Filling:

2/3 cup

granulated sugar

2 1/2 tbsp

cornstarch

1 tsp

lemon zest (about 1 lemon)

2 tbsp

fresh lemon juice

5 cups

fresh blueberries, rinsed and dried

1/2

of a small apple, peeled and cored, then grated

For the Crumble Topping:

2/3 cup

unbleached all-purpose flour

1/3 cup

light brown sugar

1/3 cup

cold butter, cut into chunks

1 tbsp

granulated sugar