These colourful hasselback potatoes from Helen Graham are made with buttery Golden King potatoes. They're topped with sharp sumac red onions, tangy tahini sour cream and pickled jalapeños. Hasselbacking the potatoes – cutting very thin slices into the top of them – gives you extra crispy crunchy tops.
Preheat oven to 180°C
Place a potato on a chopping board, ensuring the flattest side is flush with the chopping board. Place two wooden spoons on either side of the potato and cut as finely as possible along its whole length to make a hasselback potato. Repeat with the remaining potatoes and transfer these to a lined baking tray
Use a pestle and mortar to grind the cardamom seeds and clove to a powder, then mix it with the remaining spices, oil and salt in a small bowl
Brush the spiced oil all over the potatoes
Roast the potatoes for 40 minutes, removing the potatoes half way through and basting with more spiced oil
For the sumac onions, add everything to a bowl and set aside to marinate for 30 minutes
Combine all the ingredients for the tahini sour cream in a bowl, stir thoroughly and set aside
Once the potatoes are ready, transfer them to a platter and drizzle over the sour cream, before topping with the sumac onions and the remaining garnishes
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