Excellent Mousse Without Gelatin or Baking | Need only milk !

Excellent Mousse Without Gelatin or Baking | Need only milk ! <br /><br /><br />00:07 - 1 liter of milk <br />00:13 - 70g of sugar <br />00:15 - vanillin<br />00:18 -100g cornstarch <br /><br />01:35... Cool it down completely