Noodles release starch while cooking in boiling water, which causes the noodles to stick together. This is especially problematic with long, thin noodles and when cooking large amounts of noodles in a crowded pot. The key to preventing pasta from sticking together is ensuring there is enough room in the pot to stir the pasta and for water to pass between the noodles. A common suggestion is to add oil to the water when cooking noodles, but the oil coating on noodles just makes it more difficult for the noodles to absorb sauce.
Fill a pot with 4 to 6 quarts of water for every 1 pound of noodles you plan to cook. Use multiple pots to cook the pasta, if needed, rather than trying to add too many noodles to a smaller pot.
Add 1 to 2 tablespoons of salt to the water to add flavor to the pasta. Bring the salted water to a rolling boil.
Add the pasta to the water when it reaches a rolling boil. Stir the pasta thoroughly to keep it from sticking while rinsing the starchy coating that develops immediately upon entering the water. You can add large amounts of pasta one handful -- about 1/2 pound of spaghetti -- at a time if it makes it easier to stir, but you must get the pasta in the water quickly to prevent uneven cooking times between the first and last handful.
Stir the pasta continuously for the first 2 minutes after adding it to the boiling water, ensuring that the pasta is constantly in motion so pieces of pasta don't cook together while the starch washes away from the outer coating. Stir with a pasta fork or pasta server, which looks much like a slotted spoon, but has tines around the edges that make it easier to pick up pasta and can even comb through and separate noodles.
Stir the pasta at least once every minute after the first two minutes until done. Noodles generally take 7 to 12 minutes to cook to "al dente," in which the noodles are still somewhat firm and chewy, but you might prefer the noodles a little softer. Exact cooking times vary greatly with different pasta sizes and shapes.
Drain the water from the pasta and immediately stir in hot sauce while the pasta is still hot and before the remaining starch in the pasta crystallizes. Hot noodles are better able to absorb sauce for better flavor, but adding the sauce before the starch crystallizes also prevents the cooked noodles from sticking together as they cool.
Items you will need
- Large pot
- Pasta fork
- Standard 8-quart stock pots work well for cooking 1 to 2 pounds of pasta at a time, but a larger pot or multiple pots are needed for cooking several pounds of pasta at once. Try using a soup pot or stock pot with a capacity of 12 to 20 quarts or more.
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