Soak the gelatin in cold water and wait for it to bloom.

Combine the cream with the sugar and vanilla sugar, place over low heat, bring to a boil and remove from the heat.

Add the gelatin and stir well until fully dissolved.

Let the mixture cool slightly, pour into bowls or glasses and chill in the fridge for a couple of hours until set.

Soak the gelatin in cold water.

In a saucepan, cook the blueberries with the sugar, bring to a boil and puree.

Bring the cream to a boil over low heat, remove from the heat and dissolve the gelatin in it.

Combine the berry puree with the cream, let cool slightly and pour over the set milk layer.

Chill in the fridge for a couple of hours, or better yet overnight.