INGREDIENTS
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100g (3 1/2 oz) cold unsalted butter, cut into chunks
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100g (3 1/2 oz) plain flour, plus extra for flouring
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100g (3 1/2 oz) grated Parmesan cheese.(I use Parmigiano Reggiano)
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1 medium egg, beaten
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salt and black pepper to taste
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fresh rosemary & thyme leaves, finey chopped (optional)