Wash potatoes and equally slice them into the desired width. No need to peel potatoes as it will help retain the flavor.
Pour 2 liters of water into the saucepan and bring to a boil. Put chopped potatoes into the saucepan and boil for 3-5 minutes. Then quickly drain the water. Put the potatoes in a colander and wait until all excess water has drained. Allow the potatoes to cool slightly.
Put potatoes in a deep bowl, sprinkle with spices, mix well, and pour oil. Mix again and place it on a baking sheet covered with foil.
Preheat your oven to 180°C, and bake potatoes for 30 minutes until golden crust. Then put rosemary on potatoes and bake another 10-15 minutes.
Serve with fresh herbs.