Mix 1.5 cups of warm milk with 1 large spoon of yeast, 1 large spoon of sugar, and 1 small spoon of salt.
Let the dough rise.
Fry the potatoes.
Divide the dough into 10 equal balls.
Heat oil on medium heat and fry the dough balls until they puff up.
Stuff the sandwiches with the potatoes and liver.
Add any other desired fillings.
