Peal and boil the potatoes in unsalted water until fully cooked (you need about 250 grams potato per person).
2
Mash the potatoes with a fork.
3
Add the yolk and the flour over the mashed potatoes and mix together with your hands until you have a smooth dough. Add more flour if needed.
4
Form the dough into a long sausage, and cut into small bites.
5
Boil some salted water, and add a handfull of gnocchi. Boil until the gnocchi starts to float, this will take about 3 minutes. Add the cooked gnocchi to a plate and repeat until there is noe gnocchi left.
6
Cut up leaks and add to a frying pan together with olive oil and a whole clove of garlic. Fry until the leak turn soft.
7
Add the cooked gnocchi and fry for a couple minutes, until the gnocchi turn golden.