Delightful Apple Butter Hand Pies

Ingredients

• 1 large egg
• 1/4 teaspoon salt
• 2 tablespoons granulated sugar
• 1/2 teaspoon apple pie spice
• 1 medium apple, peeled and diced
• 3 tablespoons cold water
• 8 tablespoons apple butter
• Turbinado sugar for sprinkling
• 1 1/4 cup all-purpose flour
• 1/4 cup brown sugar
• 1 tablespoon lemon juice
• 1 tablespoon milk or water
• 1 tablespoon unsalted butter
• 4 oz unsalted butter
• 1 tablespoon cornstarch