Wild Blueberry Pie

Ingredients

• 2 ½ cups all-purpose flour
• 1 tablespoon sugar
• 1 teaspoon salt
• 2 ½ sticks unsalted cold butter, cut into ½-inch cubes
• 7-8 tablespoons ice-cold water
• 1 egg, beaten
• 5 cups frozen Wild Blueberries
• ½ cup sugar
• 1 teaspoon lemon juice
• ½ teaspoon cinnamon
• ¼ cup tapioca starch*
• 1 ½ tablespoons cold butter, cut into ½-inch cubes