"This tomato sauce recipe is, for me, the best recipe ever. The effort to make it is worth creating such a lovely, and versatile tomato sauce...."
INGREDIENTS
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1 medium celery stalk,
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1 medium carrot, peeled
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1 small onion
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1 clove garlic
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1lb 10 oz/750g fresh tomatoes, skin on, roughly chopped into large pieces (see note above)
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1 cup/large handful flat-leaf parsley
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1 cup/large handful basil leaves
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2 tbsp extra virgin olive oil
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2 tbsp unsalted butter