1
Put a roasting dish big enough to hold the potatoes in one layer in the oven. Preheat the oven to 200°C. 2
Place the potatoes in a large pot and add water to just cover them.
3
Salt the water and bring to the boil.
4
Once at a rolling boil, reduce the heat and simmer the potatoes vigorously, uncovered, for 2 minutes.
5
Meanwhile, add the olive oil to the roasting dish in the oven and heat for a few minutes until very hot.
6
Drain the potatoes in a colander and shake a few times to rough them up.
7
Add the flour and shake again to coat evenly and thinly.
8
Gently place the potatoes in the hot oil and toss to coat. Spread them in one layer with space between. Cook for 15 minutes.
9
Remove the potatoes from the oven, flip them and roast for another 15 minutes.
10
Flip them again and roast for another 10-20 minutes, until golden and crispy.
11
Remove from the oven, sprinkle with sea salt and serve immediately.