instructions Meanwhile, combine the olive oil and guanciale in a 12- to 14-inch sauté pan set over medium heat, and cook unti the guanciale has rendered its fat and is crispy and golden. Remove from the heat and set aside (do not drain the fat).
ingredients 1 pound Spaghetti
instructions Cook the spaghetti in the boiling water until just al dente. Scoop out ¼ cup of the pasta cooking water and set aside. Drain the pasta.
ingredients 1 cup freshly grated Parmigiano-Reggiano 4 large Egg whites Freshly ground Black Pepper
instructions Add the reserved pasta water to the pan with the guanciale, then toss in the pasta and heat, shaking the pan, for 1 minute. Remove from the heat, add 1 cup of the Parmigiano, the egg whites, and pepper to taste, and toss until thoroughly mixed.
ingredients 4 large Egg yolks 1/4 cup freshly grated Parmigiano-Reggiano Pepper to taste
instructions Divide the pasta among four warmed serving bowls. Make a nest in the center of each one, and gently drop an egg yolk into each nest. Season the egg yolks with more pepper and sprinkle the remaining ¼ cup Parmigiano over the top. Serve immediately.