In a large bowl, work eggs and sugar until a frothy mixture is obtained.
Add the melted butter and then mix with milk and vanilla, so as to cool it, and mix.
Finally add the sifted flour and baking powder, and salt.

Divide the mixture into 5 bowls: leave a neutral, and add a little color in the other 4, mixing each with a different spoon so as not to contaminate the colors with each other.

Grease and flour (or coated with parchment paper) a 22 cm diameter mold.
Pour to the center 2 tablespoons of mixture taken from the first bowl, then add 2 tablespoons taken from the second bowl exactly in the center of the previous one. Continue with the third, fourth and fifth bowl and repeat the round until all the dough is finished.

Cook in a preheated oven at 180 ° C for about 40 minutes.
Let cool, then turn out the cake, brush the surface of honey and cover with the sprinkles of sugar.

Et voilà: the Arlecchino cake is ready to bring joy to your table!