1. Grate potatoes and zucchini on a coarse grater.
2. Squeeze out the excess liquid.
3. Add egg, black pepper, salt, flour.
4. Mix everything well.
5.Pour a little vegetable oil into the pan.
6. Put the potato-zucchini mass in a frying pan.
7. Fry on one side for 5 minutes. over low heat with the lid closed.