1.Bring a large pot of water to a boil, salt it, add the pasta and cook until al dente. Drain, reserving 1 cup of the pasta cooking water.
2.While the pasta is working, in a large skillet, heat the EVOO, 3 turns of the pan, over medium-high heat. Add the guanciale (or pancetta or bacon) and cook until the fat is rendered, 2 to 3 minutes. Add the onion and garlic, season with pepper and cook for 5 minutes. Stir in the wine, then the stock. Add the artichoke hearts and cook to heat through, about 5 minutes. Season with salt. Lower the heat to low.
3.Stir the reserved pasta cooking water into the artichoke sauce. Add the pasta, 1/2 cup cheese and the parsley; toss. Serve the pasta in shallow bowls and pass more cheese at the table.
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