Wash and trim the courgettes, grate the courgettes using a grater with large holes;
Let it rest for 30 minutes in a colander with a weight on top;
Once the resting time has elapsed, squeeze the courgettes, place them in a bowl together with: the ricotta, the breadcrumbs, the salt, pepper, the chopped mint and the egg, mix well with your hands, forming a very smooth mixture;
Now take a little dough, spread it out on the palm of your hand, insert a cube of mozzarella, ask and form some balls;
Then pass the balls in the breadcrumbs, then in a pan heat the seed oil, fry a couple of courgette bites at a time for 5 minutes on both sides they must brown but not darken too much;
Drain on a plate, then transfer to a platter and enjoy;