Napoleons from It's a Sweet World: Recipes from Around the Globe at Bea’s Bakery by Lenny Rosenberg and Adaeze Nwanonyiri

Ingredients

• Heavy cream—¼ cup (60 mL)
• Confectioners’ sugar, sifted—1 cup (203 g)
• Melted semisweet chocolate chips—¾ oz. (21 g)
• Corn syrup—½ teaspoon (3 mL)
• Kosher salt—½ Tablespoon (10 g)
• Granulated sugar—1 Tablespoon (14 g)
• All-purpose flour—2 cups (231 g)
• Sweet butter—1 cup (219 g)
• Sweet butter—3 Tablespoons (41 g)
• Large egg yolks—3 (45 mL)
• Cornstarch—¼ cup (49 g)
• Vanilla—1½ teaspoons (8 mL)
• Salt—¼ teaspoon (2 g)
• Granulated sugar—½ cup (101 g)
• Whole milk—2¼ cups (540 mL)
• Cold water—10 Tablespoons (150 mL)