- Boil the potatoes for 6-8 minutes until soft. Drain and set aside to cool.
- Heat the oil in a large non-stick pan and fry the chorizo for a few minutes until slightly crispy, then add the potatoes. Cook until golden, then spoon into a bowl and set aside.
- Cook the onion and garlic in the same pan, add the wine and reduce for a few minutes. Stir in the chilli flakes.
- Add the chopped tomatoes, reduce the heat and simmer for 15 minutes.  Pour over the potato mixture and sprinkle with chopped fresh parsley.