Basque home cooking is a generous, rustic affair – quite different from the bitesize bar snacks and skewered pintxos that have made the northern Spanish region so famous for its food. Marmitako, a classic fisherman’s tuna and potato stew, forms the inspiration for this dish. We've used Nanna Tate potatoes for the base, and swapped out tuna for flaky cod. It's a lighter take on the classic which still has those classic Basque flavours of pepper, paprika and tomato.
Use a knife to break each potato into rough chunks – this encourages starch to thicken the broth. To get really jagged edges, only cut the potatoes partway through, then twist the blade to break them in half
Heat a splash of olive oil in a wide pan. Add the onion, peppers and garlic and cook for 8-10 minutes until softened. Stir in the smoked paprika and tomato paste and cook for 1-2 minutes
Add the chopped tomatoes and stock, then tip in the potato shards. Season with salt and pepper and bring to a gentle simmer
Simmer for 25-30 minutes until the potatoes begin to break down slightly and the broth thickens
While the potatoes cook, make the potato matchsticks. Heat a few centimetres of vegetable oil in a heavy-bottomed, high sided pan to 180°C
Fry the potatoes in the hot oil until crisp and golden, then remove with a slotted and season with salt
Once the potatoes have broken down, season the cod lightly, then add to the stew and leave to poach for around 7 minutes
Ladle the stew into bowls. Top with a handful of crispy potato matchsticks, fresh dill, lemon zest and drizzle with more olive oil

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