INGREDIENTS
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Kosher salt
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1 Tbs. extra-virgin olive oil
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4 oz. fatty pancetta or guanciale, sliced 1/4 inch thick and cut into 1-1/2 x 1/2-inch rectangles
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Freshly ground black pepper
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1/2 cup diced red onion
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2 large eggs, chilled
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1/2 lb. imported dried spaghetti (I like Setaro brand; avaiable online)
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1/2 cup lightly packed, freshly grated Parmigiano-Reggiano