INGREDIENTS
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3/4 cup walnut halves (3 ounces)
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1/4 cup flat-leaf parsley leaves, plus 2 tablespoons coarsely chopped
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1/2 cup freshly grated Parmesan cheese, plus shavings for garnish
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1/2 pound fettuccine
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1 garlic clove, smashed
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1/4 cup extra-virgin olive oil
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Salt and freshly ground pepper
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1/2 cup vegetable stock
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1 tablespoon unsalted butter