Delightful Bake Sweet Origami Apple Pie Delight

Ingredients

• 2 ½ cups all-purpose flour
• 1 tsp salt
• 1 tsp granulated sugar
• 1 cup unsalted butter, cold and cubed
• 5-6 tbsp ice water
• 4 cups peeled and diced apples
• ¾ cup brown sugar
• 2 tbsp lemon juice
• 1 tsp ground cinnamon
• ¼ tsp ground nutmeg
• 1 tbsp cornstarch
• 1 egg, beaten (for egg wash)
• 1 tbsp granulated sugar (for sprinkling, optional)