Apple Almond Turnovers - Oryana

Ingredients

• 3 apples, peeled, chopped (a mix of tart and sweet is good)
• 2 tablespoons butter
• pinch salt
• 4 tablespoons sugar
• 1 1/2 teaspoons arrowroot powder
• 1/2 teaspoon vanilla
• 1/3 cup marzipan, chopped
• 1 package frozen puff pastry, thawed
• 1 egg + 1 tablespoon water beaten together in a small bowl
• turbinado sugar for sprinkling