6 medium apples (such as Honeycrisp, Granny Smith, or Fuji), peeled, cored, and sliced into ½-inch thick pieces

¼ cup granulated sugar

2 tablespoons gluten-free all-purpose flour blend (ensure it contains xanthan gum)

1 teaspoon ground cinnamon

½ teaspoon ground nutmeg

¼ teaspoon ground allspice

1 tablespoon fresh lemon juice

For the Gluten-Free Crumble Topping:

1 cup gluten-free rolled oats

¾ cup almond flour

½ cup packed light brown sugar

½ teaspoon ground cinnamon

¼ teaspoon salt

½ cup (1 stick) cold unsalted butter, cut into small cubes

For the Gluten-Free Pie Crust:

1 ½ cups gluten-free all-purpose flour blend (ensure it contains xanthan gum)

½ teaspoon salt

½ cup (1 stick) unsalted butter, chilled and cubed

¼ cup ice water

For the Chocolate Pecan Filling:

1 cup packed dark brown sugar

½ cup light corn syrup

¼ cup unsalted butter, melted

1 teaspoon vanilla extract

¼ teaspoon salt

3 large eggs

1 cup semi-sweet gluten-free chocolate chips

1 ½ cups pecan halves or pieces