INGREDIENTS
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50 garlic cloves, peeled (1 cup)
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3 tbsp extra-virgin olive oil, plus extra for drizzling
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1 cup chicken broth
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2 tsp balsamic vinegar
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Salt and pepper
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1 pound spaghetti
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8 ounces arugula
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1 cup walnuts, toasted and chopped
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Grated pecorino romano cheese