1 (9-inch) pie shell, baked
Whipped toppingInstructions
Combine both sugars and flour in top of a double boiler. Gradually add scalded milk, stirring until smooth.
Pour part of the hot mixture onto egg yolks, stirring quickly. Pour back into double boiler. Cook two minutes, then add butter and vanilla; cool. Pour into baked 9-inch pie shell; top with whipped topping.