Apple Turnovers (Chaussons aux Pommes)

Name: Apple Turnovers (Chaussons aux Pommes)
Prep time: 1 h 15 min
Cook time: 25 min
Total time: 1 h 40 min
Cuisine: French
Ingredients: 2 Granny Smith apples, cored and quartered; 15 milliliters lemon juice (1 tablespoon); 300 milliliters water (1 1/3 cups); 105 grams granulated sugar (1/2 cup); 25 grams fresh ginger (thumb-sized piece); 1 cinnamon stick; Zest and juice of one lemon; 1/2 teaspoon ground cinnamon; 1/8 teaspoon ground nutmeg; 1/8 teaspoon ground cloves; 50 grams raisins, golden raisins, or sultanas (1/3 cup); 1 sheet puff pastry, thawed according to package directions if frozen; 1 large egg yolk, lightly beaten; Demerara sugar, for sprinkling