In a small bowl, mix together the soy sauce, water, and sugar.
Rinse your shrimp and add it to the marinade.
Cover and place in the fridge for at least 4 hours, or overnight.
Heat 1 tablespoon of olive oil in a wok.
Remove the shrimp from the marinade and cook until done.
Meanwhile, grate your carrots and place all vegetables in the marinade.
Remove shrimp from wok and set aside.
Add more oil as needed to sauté your vegetables.
Add vegetables and marinade to wok.
Cook the udon noodles according to package directions.
When the vegetables are almost finished cooking, add the shrimp back to the wok along with the cashews.
Taste and season with salt, pepper, or additional sauces.
Serve hot. Enjoy!