Cut the potatoes into halves, and parboil them in salted water for about 10 min

Prepare the infused oil in a small pan by adding the minced garlic and rosemary to the olive oil and fry them until slightly brown

Strain the infused oil to the parboiled potatoes, add a little salt, black pepper, and the chili powder

Mix everything until well combine, then shake the potatoes well to rough up the edges. It helps to make an extra crunchy outer layer

Place half of the potatoes onto a baking tray lined with parchment paper and bake them into a 200℃ oven for about 1 hour turning them over bout halfway through