Apples and Pears Rustic Pie (gluten free)

Ingredients

Crust

• 3 Tbsp (45 mL) ice water
• 1 tsp (5 mL) unpasteurized cider vinegar
• 1 large free-range egg yolk
• 1/2 cup (125 mL) sweet sorghum flour
• 1/4 cup (60 mL) each cornstarch, sweet rice flour, and hazelnut flour
• 1 tsp (5 mL) xanthan gum
• 1/4 tsp (1 mL) salt
• 1/2 cup (125 mL) cold unsalted butter, cut into 1 in (2.5 cm) cubes
• 1 free-range egg
• 1 tsp (5 mL) water

Filling

• 2 1/2 cups (625 mL) apples, skin on, cored, and sliced
• 2 1/2 cups (625 mL) pears, skin on, cored, and sliced
• 1/4 cup (60 mL) hazelnut flour
• 2 Tbsp (30 mL) maple syrup
• 2 Tbsp (30 mL) cornstarch
• 1/4 cup (60 mL) hazelnuts, halved