First of all, prepare the polenta: bring the water to a boil, then pour the cornmeal to the rain, stirring.
Continue to cook, stirring constantly, until the polenta is cooked: you will notice it because it will start to peel off the walls (it will take about 7-8 minutes). At this point add salt, butter and Parmesan.
Now start to assemble the muffins: cover the bases and the edges of 12 slightly muffin molds of oil with 3/4 of your polenta.
Stuffed with mushrooms and add a little 'stracchino in each cake, then cover the filling with the remaining polenta.
Sprinkle some Parmesan on each muffin. If you want you can also add a drop of oil or a small piece of butter.
Then bake in a preheated oven at 180 ° C and cook for about 20 minutes.
Polenta muffins are ready, you can serve them warm or lukewarm, the choice is yours.