"A classic Swedish side dish is given a twist - anchovies are traditionally used in this potato dauphinoise-like gratin, or you can use bacon..."
INGREDIENTS
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50g can anchovies in oil
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2 tbsp of the oil from the anchovies
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1 onion, thinly sliced
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large sprig thyme, leaves picked
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2 large swedes
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300ml pot double cream
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3 tbsp fresh breadcrumbs
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2 tbsp grated parmesan