4 cups whole milk 1 tablespoon vanilla extract 1 teaspoon butter 4 eggs ½ cup white sugar 3 tablespoons cornstarch Place milk, vanilla extract, and butter in a saucepan. Cook and stir over medium heat until simmering; remove from heat before it comes to a boil. Whisk eggs, sugar, and cornstarch together in a bowl until sugar dissolves. Set the saucepan back over low heat. Pour…