Crispy Crunchy Apple Crumble

Name: Crispy Crunchy Apple Crumble
Ingredients: 4 pounds apples (8 or 9, assorted varieties), peeled, cored, and cut into ½-inch slices; ¼ cup granulated sugar; 1 tablespoon fresh lemon juice; 2 teaspoons ground cinnamon; ¼ teaspoon ground nutmeg; ½ teaspoon finely grated fresh ginger; 2 tablespoons quick-cooking tapioca or all-purpose flour; ⅛ teaspoon kosher salt; 1 ¼ cups all-purpose flour; 1 ¼ cups old-fashioned rolled oats; 1 ¼ cups firmly packed dark brown sugar; ½ teaspoon ground cinnamon; 12 tablespoons (1½ sticks) unsalted cold butter, cut into small cubes