Custard Sauce
["1 c. milk", "1 (2-inch) piece vanilla bean, split", "3 egg yolks", "3 Tbsp. sugar"]
["Scald milk with vanilla bean in heavy, small nonaluminum saucepan over medium-high heat; set aside.", "Combine egg yolks and sugar in a medium bowl; whisk until mixture is thick and lemon colored.", "Gradually whisk milk into egg mixture.", "Return to saucepan.", "Place over low heat and cook, stirring constantly, until mixture thickens and coats spoon.", "Set pan in bowl of ice water to cool.", "Strain custard into medium bowl.", "Cover and refrigerate until well chilled."]
["milk", "vanilla bean", "egg yolks", "sugar"]