1: Preheat the oven to 200°C.
2: Peel the potatoes and slice off the tops, bottoms, and sides to create flat edges.
3: Slice the potatoes lengthways to create even and thick rectangular pieces.
4: Place sliced potatoes between chopsticks and slice vertically, then flip to slice diagonally.
5: Place the sliced potatoes onto a lined baking tray.
6: In a bowl, mix the oil, salt, pepper, paprika, garlic powder, oregano, and cumin.
7: Brush the oil mixture on both sides of the potatoes.
8: Bake in the oven for 30 minutes, then flip and bake for another 20 minutes or until golden and crispy.
9: Garnish with parsley and enjoy immediately.