For the test, grate the oil, add flour, salt, sugar and water, knead well to make a bowl, cover with cling film and put in the freezer for half an hour.
Grate the cheese, and cut the ham into strips.
Roll out the dough about 0.5 cm thick. Then put cheese and ham on top.
We turn the roll on both sides. You need to fold as tightly as possible and do it quickly, under your hands the dough will begin to melt.
Cut the roll into cookies. Give the liver and meat a heart shape, put on a laid out baking paper smeared with butter.
Bake cookies with meat at 200 degrees until golden, about 15 minutes.