| Pasta, portion, and boiling | 1.4mm, 100g — no separate boil | 70g spaghettini, package time +1 min | 1.5mm, 4.5 min | 120g linguine, half the package time in the pot + remaining time minus 1 min in the pan | 1.4mm, 140g, package time -1 min | 300g spaghetti / serves 4, package time -1 min | 250g spaghetti, small pot, package time -1 to -2 min | 454g spaghetti / serves 4, just shy of al dente |
| Salt in the pasta water | 1/5 tsp + kombu tea | Adjusted to taste + fish sauce | 1.5% | 2 tsp per 1000ml | Just over 1% (20-25g per 2L) | A pinch of rock salt (kept light) | Light | 1% (3 tbsp per 12 cups) |
| Handling the clams | 200g — pulled out as they open, shelled except the largest | 200g — purged in 3% salt water, then 50°C water | 250g — shelled once opened | 240g shell-on, lifted out as they open and returned at the end | 500g — purged in 3% salt water | 300g (1:1 with the pasta) | 15 littlenecks — soaked then scrubbed | 1.8kg small clams |
| Garlic and chili | 2 cloves + 1 dried chili | 1 clove + 1 chili | 1 clove minced + 1 chili | 1 clove, core removed, crushed flat + 1 chili | 20-30g sliced + 1 chili | 2 whole cloves (removed) — no chili | 3 sliced cloves + 3 fresh chilies (started in cold oil) | 15g very thin slices + 1/4 tsp flakes |
| White wine | 50cc sake | Not stated | None (water) | 70ml white wine | None (1/4 cup water) | A glass of white wine | 1/2 cup white wine | 120ml white wine |
| Oil | 1 tbsp olive oil + 10g butter | 2 tbsp + finishing drizzle | As needed + finishing | 2 tbsp + 1.5 tsp finishing | 4 tbsp + 10g butter | Plenty of EVOO | 3-4 tbsp | 3 tbsp EVOO + finishing, 14g butter optional |
| Emulsification method | Naturally, via starch from the noodles | Reduced and absorbed into the noodles | Reduced, then tossed over medium to high heat, emulsified with oil | Tossed over high heat for the remaining time minus 1 min | Liquid reduced to 3/4, whitened with butter | Finished in the pan, absorbing the liquid (no pasta water used) | Shaken with tongs over medium-high heat + pasta water | Pasta water added a tablespoon at a time |
| Heat level | Medium-low → medium-high | Low → medium to high | Off → high → low → medium to high | High → low → high → low | High → very low → medium | Medium to high | Medium-low → medium-high → covered → medium-high | Not captured |
| Finishing | Kombu tea, butter, parsley | Parsley, olive oil | Basil, parsley, oil | Parsley, extra oil drizzle | Parsley, straight to the table | Fresh parsley | Parsley, 3-4 shell-on clams | Parsley, oil |
| Total time | 25 min | Not stated | 30 min | 30 min | About 20 min | About 20 min | 12-15 min | Not stated |
| Source check | Source verified | Partly unverified | Source verified | Source verified | Partly unverified | Source verified | Source verified | Partly unverified |