Par boil the potatoes for eight minutes, then drain and leave to steam for five minutes.
Pop the potatoes into a bowl, then sprinkle in the spices,
Mix well, then add to a baking tray with some hot oil.
Pop into an oven preheated to 200c / 180c fan. Scatter the potatoes into the tray, then turn to coat generously in the oil. Cook in the oven for 30 minutes, turning occasionally. Crush with a glass, then return to the oven for another 30 minutes until crisp.
Combine the mayonnaise, mustard, cucumber, onion, herbs, and chilli in a separate bowl, then gently fold in the crispy potatoes.
Serve in a bowl and finally crumble over some creamy feta cheese.