Step 1

Preheat your oven to 200° C (390° F).

Step 2

Peel the potatoes and cut them into even-sized chunky pieces.

Step 3

Place the potatoes in a pan with plenty of water and bring to a boil on medium heat.

Step 4

Cook for 8 to 10 minutes, until they are slightly softened.

Step 5

Drain the potatoes in a colander and then shake the colander to fluff them up.

Step 6

Let them cool down while heating the duck fat until piping hot in the roasting tray.

Step 7

When the fat is hot enough, add the seasoning, garlic, and rosemary to the fat.

Step 8

Transfer the potatoes to the tray and give it a good stir to cover the potatoes with fat and seasoning.

Step 9

Place the tray in the hot oven and bake the potatoes for 30 minutes.

Step 10

After 30 minutes, give them a shake, turn the oven down to 180° C (350° F) and cook for another 15 minutes until they are crispy and golden outside.