Preheat the oven and the oil

• Preheat the oven to 220 °C.
• Pour the oil into a baking dish and heat it in the oven.

Boil the potatoes

• Put the potatoes in a pot and cover with water.
• Add the salt and baking soda.
• Boil until fork-tender.

Drain and rough up the potatoes

• Drain the potatoes in a colander.
• Shake the colander to rough up the surface, breaking them slightly.

Bake until crispy

• Add the potatoes to the hot oil and coat them all over.
• Bake, turning them every now and then, until golden and crispy.

Season and serve

• Toss the crispy potatoes with the salt, stroganoff spice and herbs.
• Serve immediately.