INGREDIENTS
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1/4 cup/50 ml extra-virgin olive oil, plus extra for drizzling
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4 ounces/100 g prosciutto or salami, chopped
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1 white onion, chopped
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1 celery, coarsely chopped
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1 carrot, coarsely chopped
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1 fresh chile pepper, chopped
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Salt and freshly ground black pepper
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2 potatoes, peeled and cubed
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2 1/2 cups/600 ml water
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10 ounces/300 g tomato puree
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10 ounces/300 g spaghetti, broken into small pieces
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1/2 cup/125 ml Pecorino cheese, chopped
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1/2 cup/125 ml freshly grated cheese Parmigiano