Parking lots and more will be available to the visitor. Be careful not to form lumps. At this point add the milk very very slowly. Therefore, turn the flame off, let the cream dry and fill the bign . In case of lumps mix the cream with a whip for a few minutes.
Sugar is totally or almost totally absent.
Place the water, the butter and the salt in a pot on a flame. The butter should melt before the water boils. When the water starts boiling immediately throw the flour in all at once, mixing the whole with a wooden spoon, to avoid lumps. Continue to mix the paste, that will start detatching from the pot's sides, fizzling. Once this first part of preparation is completed, enlarge the paste on a table and let cool.