Fromagerie l'Ancêtre Apple and Cinnamon Turnovers - Fromagerie l'Ancêtre

Ingredients

• 2 apples, peeled and diced
• 3 tablespoons unsalted butter
• 1/3 cup brown sugar
• 1 1/2 teaspoons ground cinnamon
• A pinch of salt
• 1 teaspoon vanilla extract
• 1/2 tablespoon lemon juice
• 2 teaspoons cornstarch
• 1 tablespoon water
• 1 sheet of puff pastry
• 1 egg
• 1 tablespoon milk
• 2 tablespoons sugar
• 1 teaspoon ground cinnamon