Wash the potatoes and cook them in some salty water for about 20min until soft
Cut the onion into small chunks
Mix eggs, milk, pepper, and salt together
Let the potatoes cool down a bit and peel them
Cut the potatoes into slices
Fry the potatoes in some butter until golden brown
Only put as much potatoes in the pan that all can get roasted
Remove the potatoes and fry the onions
Add the ham and fry that as well
Add the egg mixture and cover it for about 10min until the eggs are cooked
Top it with some parsley
