Salt the water once it boils, add it before the pasta goes in, and use enough that the water tastes seasoned like a light broth. Pasta absorbs some of that water as it cooks, so this is the only chance to flavor the noodles from inside.
How Much Salt
A common range is about 1 to 2 teaspoons of fine salt per liter (or quart) of water, depending on the salt and your taste. Coarse flakes pack loosely, so a spoonful holds less salt than fine grains. Use the lower end if the sauce is salty, such as one with salted meat or hard cheese.
| Water | Light seasoning | Stronger seasoning |
|---|---|---|
| 2 liters | 2 teaspoons | 4 teaspoons |
| 4 liters | 4 teaspoons | 8 teaspoons |
Steps
- Fill a large pot with plenty of water, allowing room so noodles move freely.
- Cover and bring to a full boil over high heat.
- Add the salt; it may foam briefly.
- Add the pasta and stir right away so strands do not stick.
- Cook, stirring from time to time, following the maker’s guide on the packet for time.
- Taste a piece a minute or two before the time ends. It should be tender with a slight bite.
- Scoop out a mug of cooking water, then drain.
Common Slips
- Salt in cold water: works, but can take longer to dissolve and may pit some pots; add it at the boil.
- Too little water: the water gets cloudy and thick, and noodles clump.
- Rinsing the pasta: washes away surface coating that helps sauce cling, unless you are making a cold salad.
- Adding oil to the water: mostly floats on top and does little for sticking; stirring does more.
Fixing Salt Problems
If the noodles taste flat, finish them in the sauce with a splash of the cooking water and a pinch of salt. If they taste too salty, serve with an unsalted sauce, extra vegetables or plain grains alongside. Do not add more salt to the sauce until you taste it with the pasta.
Flavor Beyond the Pot
Season the sauce with the saltiness of the pasta water in mind. A pot of well-seasoned water gives the noodles a baseline, so the sauce needs less. Tossing the drained pasta with the sauce over low heat for a minute helps them merge. Add cooking water a spoonful at a time until the sauce coats the noodles smoothly.
FAQ
Does salt make water boil faster?
Not in any meaningful way at cooking amounts. It is for flavor.
Can I reuse the water?
The cloudy water is useful for loosening a sauce right away, but discard leftovers instead of storing them.
The Short Version
Use a big pot, add salt after the water boils, season to taste, and finish the pasta in the sauce with a bit of the cooking water. Use the packet times only as a guide.