Name: Éclairs
Yield: Makes 10 pastries
Cuisine: British
Ingredients: 4 eggs; ½ cup (120 ml) water; 2 tablespoons unsalted butter; 1 cup (125 g) flour; ¼ cup (60 ml) milk or freshly brewed strong coffee; ½ cup (120 ml) milk; 4 tablespoons (60 g) unsalted butter, cut into ½-inch (12-mm) pieces; 4 egg yolks; 2 tablespoons cornstarch; 4 oz (115 g) bittersweet or semisweet chocolate, coarsely chopped; 1 vanilla bean, split lengthwise; ½ cup (100 g) sugar; ¼ teaspoon salt; 1½ cups (350 ml) milk; 6 tablespoons (90 g) unsalted butter, cut into ½-inch (12-mm) pieces