Blue Ribbon Blueberry Pie

Name: Blue Ribbon Blueberry Pie
Ingredients: 2 3/4 cups (326g) King Arthur Unbleached All-P; 2 tablespoons (18g) buttermilk powder optional; 1 1/2 teaspoons salt; 16 tablespoons (227g) cold unsalted butter or 1 cup (184g) vegetable shortening or a combination; 6 to 9 tablespoons (85g to 128g) ice water; 8 cups (907g) fresh blueberries washed and drained; 1 cup (198g) granulated sugar; 1/3 cup (43g) Instant ClearJel 1/2 cup (92g); 1/4 teaspoon cinnamon optional; 2 tablespoons (28g) lemon juice; 2 tablespoons (28g) butter melted; coarse sparkling sugar or