Canned chicken noodle soup tastes like salt and soft noodles. The homemade version takes under half an hour and does not resemble it.
Julia Collin Davison from America's Test Kitchen builds the flavour in the first five minutes: bone-in chicken, patted dry, browned hard in the bottom of the pot. The golden crust left behind is where the whole soup comes from. Skip that and you have hot broth with things in it.
Why bone-in, and why brown it
Boneless breast is convenient and makes weak soup. Bones and skin release collagen and fat that give the broth body, which is the difference between something that coats a spoon and something that runs off it.
Pat the chicken properly dry before it hits the pot. Wet chicken steams instead of browning, and no fond means no flavour base. Let it sit undisturbed for eight to ten minutes before you touch it.
The vegetables and the timing
One onion, one rib of celery, one carrot, chopped to roughly the same size so they finish together. A bay leaf and two sprigs of thyme. Eight cups of store-bought broth is fine here, because the browned chicken is doing the heavy lifting.
Chop while the chicken browns. The whole recipe fits in 30 minutes only if the prep happens during the cooking, not before it.
Cook the noodles in the soup
Boiling pasta separately and adding it in is cleaner and worse. Cooked in the broth, the noodles release starch that thickens it slightly and they taste of the soup rather than of water.
The trade-off is leftovers. Noodles keep swelling overnight and by day two they are soft and the broth has thinned. If you know you want leftovers, cook the noodles separately and combine them by the bowl.
Shred, do not cube
Pull the chicken when it hits temperature, let it cool enough to handle, and shred it with two forks. Torn edges hold broth in a way that neat cubes do not, and it is the texture people associate with soup their grandmother made.
Finishing
Fresh parsley or dill at the end, off the heat. Dried herbs go in early, fresh ones go in late, and a squeeze of lemon lifts the whole pot if it tastes flat. Taste for salt only at this point, because the broth concentrates as it simmers.
More soups worth the pot
Once the browning-and-fond habit clicks it transfers everywhere. French onion soup is the extreme version of it, forty minutes of caramelising onions for a soup with four ingredients. Tomato soup and broccoli cheddar are the fast weeknight ones, butternut squash is the autumn one, and miso soup takes about five minutes.