| Pasta, amount, and cooking | Spaghetti (12.5g protein/100g or higher), serves 2 | 227g bronze-die pasta (rigatoni, spaghetti, bucatini, or tonnarelli), serves 2 | 185g ridged tube pasta such as rigatoni, serves 2 | 250g mezze maniche (rigatoni or spaghetti also work), serves 2 |
| Salt in the cooking water | Not specified | Light | Well-salted water | 1 tbsp rock salt |
| Water volume and starch concentration | Not specified | About 4cm deep in a small pot, kept minimal to raise starch concentration | Not specified | Not specified |
| How the guanciale is cut and rendered | 200g guanciale, cut into 0.5cm strips, rendered dry in its own fat with no added oil | 85g guanciale, cut into 1.3cm pieces, rendered over medium heat starting from 2 tbsp water, about 7 minutes | 100g guanciale, small dice, cooked slowly over medium-low heat | 150g guanciale, rind and fat included, all of it used, cut into strips |
| Wine and acidity | Dry white wine, less than half a glass | None | None | None |
| Cheese (type, amount, timing) | Fresh pecorino romano, shaved very thin, added in three additions | 57g pecorino romano, three-quarters added off the heat, remaining quarter added at the end | 70g pecorino romano, made into a cream with pasta water before tossing | 150g pecorino romano, mixed with black pepper first, then loosened with pasta water into a cream |
| Method of emulsification | Over direct heat; pasta water and cheese are combined after the heat is turned off | Pasta water boiled hard over high heat to emulsify; cheese added off the heat | Pasta water and cheese combined into a cream in a bowl first, cacio e pepe style | Pan set on top of the still-hot pot; indirect steam heat keeps it at a gentle simmer while emulsifying |
| Heat level | High heat to render the guanciale; finished with the heat off | Medium heat for the guanciale, high heat to emulsify, cheese added with the heat off | Medium-low for the guanciale, finished off the heat with a 1-minute rest | Medium heat to cook the guanciale; the finish uses low heat via the pot's steam |
| Black pepper | Generous black pepper for a mottled speckle | 1 tsp coarsely ground, bloomed in the fat first, plus more added at the end | Black pepper | Toasted alone in the pan for 1 minute before cooking; more added at the end |
| Finish | Plated with the black pepper emphasized | Remaining pecorino and black pepper added | Rested 1 minute, then tossed with pepper and cheese cream | Reserved crisp guanciale scattered on at the very end |
| Time required | Not specified | Not specified | 20 minutes | Not specified |
| Source check | Partly unverified | Source verified | Source verified | Source verified |