Mix the flour, starch, 200 ml of milk, sugar, salt, baking powder and only egg yolks in a bowl. Work all the ingredients by mixing them well; The mixture must be homogeneous and not excessively liquid (possibly, adjust with other milk or other flour). Grease a non -stick pan with the butter and pour small doses of dough with a ladle, so as to obtain dums of homogeneous diameter pasta.
Cook each pancake quickly, first on one side and then on the other. Continue until all the dough is finished.
Start 3 pancakes on each of the four dishes and fill them to taste.