Air Fryer Hand Pies

Bahan-bahan (6 porsi)

• 4 tablespoons unsalted butter
• 2 diced Granny Smith apples
• 1 teaspoon cinnamon
• ¼ cup brown sugar
• 1 teaspoon cornstarch
• 1 tablespoon water
• 2 refrigerated pie crusts
• 1 large egg
• 1 tablespoon water
• ½ cup powdered sugar
• 2 tablespoons milk
• coarse sugar