Vanilla crème anglaise

1.Combine milk, cream, vanilla bean and vanilla seeds in a saucepan and bring just to the boil over medium heat. Meanwhile, whisk egg yolks and sugar in a bowl until very thick and pale. Pour hot cream mixture over egg mixture, whisking continuously to combine, then return to pan and stir continuously over low-medium heat until mixture coats the back of a wooden spoon thickly (4-6 minutes). Strain into a bowl placed over ice and cool.