Mixed Berry Pie with Ginger Orange and Almond Streusel

Name: Mixed Berry Pie with Ginger, Orange, and Almond Streusel
Ingredients: 1 1/2 cups all purpose flour; 2 teaspoons sugar; 1/2 teaspoon salt; 1/2 cup (1 stick) chilled unsalted butter, cut into 1/4-inch cubes; 2 tablespoons (or more) ice water; 3/4 cup all purpose flour; 1/2 cup sugar; 2 tablespoons finely chopped crystallized ginger; 1 teaspoon finely grated orange peel; 1/4 teaspoon salt; 6 tablespoons (3/4 stick) chilled unsalted butter, cut into 1/4-inch cubes; 1 tablespoon whole milk; 1 cup sliced almonds; 3 cups fresh blueberries (17 ounces); 2 cups fresh raspberries (9 to 10 ounces); 1 cup fresh blackberries (5 to 6 ounces); 1/2 cup plus 2 tablespoons sugar; 1 tablespoon fresh lemon juice; 3 tablespoons cornstarch