Creamy paintings: cold and tasty, ready without cooking!

Every slice is amazing, everyone will ask for the recipe!

INGREDIENTS

White cream:
500 ml (2 cups) of milk
12 g (3 teaspoons) of sugar
10 g (3 teaspoons) of corn starch
25 g (2 tablespoons) of butter
100 g (1 cup) of white chocolate

Black cream:
500 ml (2 cups) milk
12 g (3 teaspoons) sugar
10 g (3 teaspoons) corn starch
25 g (2 tablespoons) butter
100 g (1 cup) dark chocolate
10 g (4 teaspoons) of cocoa powder