Boil and mash the potato, add hot water, a pinch of salt and one of butter and mix them to obtain a creamy purée.
Aside, boil half a broccoli, then blend it and add it to the potato purée, stirring for a long time until the mixture becomes creamy and evenly green.
Sauté the Citterio simpaticotto in a pan for 5 minutes with a trickle of extra virgin olive oil.
Shape the simpaticotto like pac-man, and create little ghosts with the potato purée.
Decorate with boiled peas.