Fresh Blueberry Pie with Lattice Top Recipe

Ingredients

• 2 ⅓ cups all-purpose flour
• ⅓ cup cake flour
• 1 Tbsp. granulated sugar
• ¾ tsp. kosher salt
• ½ cup plus 2 Tbsp. cold shortening
• 1 stick cold unsalted butter (8 Tbsp.), cubed
• 6 –8 Tbsp. ice water
• 1 egg, separated
• 1 Tbsp. water
• 2 Tbsp. raw sugar
• 1 cup 1 Tbsp. granulated sugar
• ⅓ cup cornstarch
• ¼ tsp. kosher salt
• 6 cups fresh blueberries
• 2 Tbsp. fresh lemon juice
• 2 Tbsp. unsalted butter, cubed