Homemade Apple Turnovers

APPLE TURNOVER INGREDIENTS:
►1 lb puff pastry (2 sheets)
►1 Tbsp all-purpose flour para sa pag-aalis ng alikabok
►1 1/4 lb Granny Smith na mansanas (3 medium)
►1 Tbsp unsalted butter
►1/4 tasa ng brown sugar na bahagyang nakabalot
►1/2 tsp ground cinnamon
►1/8 tsp asin
►1 itlog+ 1 Tbsp na tubig para sa egg wash p>
PARA SA GLAZE:
►1/2 tasa ng powdered sugar
►1-2 Tbsp heavy whipping cream