INGREDIENTS
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2 small garlic cloves
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3 ounces walnut pieces (about 3/4 cup), toasted and cooled
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4 ounces arugula, trimmed and roughly chopped
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1/2 teaspoon coarse salt
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1 ounce Parmesan cheese, finely grated (about 1/3 cup)
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1 pound spinach linguine
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3 teaspoons extra-virgin olive oil
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Freshly ground pepper