Preparation
1 Put the condensed milk, milk, ice cubes, cooled coffee, and vanilla sugar in a blender.
2 Blend until the mixture forms only foam (or almost). Be careful, as it will quickly swell.
3 Arrange the glasses and place a scoop of vanilla ice cream in each one.
4 Pour the blended mixture into the glasses.
5 Add whipped cream on top.
Finally, serve immediately with a straw.