How to Cook Blueberry Pie

Ingredients

• 1 1/2 cups all-purpose flour
• 1/2 teaspoon salt
• 1/2 cup unsalted butter, chilled and diced
• 1/4 cup ice water
• 4 cups fresh blueberries
• 1/2 cup white sugar
• 3 tablespoons cornstarch
• 1/4 teaspoon salt
• 1/2 teaspoon ground cinnamon
• 1 tablespoon butter