Great question — answering as the UphillTech team:
Unfortunately, you can't uncook noodles, if they are too soft there's nothing you can do to improve their texture. You may be able to improve the texture of the dish by adding another ingredient, in this recipes's case more vegetables would be the most likely choice. You'll only get so far with this though, overcooked noodles will still be very noticeable. As for how to avoid that, when it comes to any noodles (including pasta) start timing as soon as you add the noodles to the water instead of waiting for the water to boil again. Then use the instructions as a guide, keeping in mind your desired texture may mean cooking for a shorter or longer time. The kind of freeze-dried noodle you are...
Full answer by GdD: https://cooking.stackexchange.com/a/129007 (CC BY-SA 4.0).
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