The cake in the photo misses of the last icing sugar sprinkle but I wanted to take the picture immediately :P
The potato masher I'm speaking about is like this (with big holes) :
You need for the shortcrust pastry:
10 1/2 oz. all purpose flour
5 1/5 oz. sugar
3 1/2 oz. butter
1 bag baking powder for cakes
For the stuffing:
25 oz. ricotta cheese
3 1/2 oz. sugar
dark chocolate chopped in irregular pieces
Mix all the ingredients to make the pastry and divide the loaf in two parts of the same wheight.
Put one part in the potato masher, take a baking tin of about 10 inches diameter and press untill strands of pastry fall down.
Spread them quite evenly but don't worry if you see holes between the strands: the dough, rising, will close them.
Mix ricotta cheese with sugar then pour on the base of pastry's strands, put the other half of the loaf in the potato masher and cover ricotta with the same process, once again don't worry about holes :)
Heat the oven at about 345° F, before putting in the oven sprinkle icing sugar on top of the cake and add chocolate chops.
Bake for 45 minutes.
The result will be the one in the photo...Enjoy! :D