In a medium bowl, whisk together all sauce ingredients until emulsified and set aside.
Prepare noodles according to package with the edamame beans and set aside.
Heat a large cast iron skillet over medium-high heat and add 1/2 tablespoon of the oil. Once hot, add the mushrooms and zucchini. Cook for 8-10 minutes, or until veggies are softened with a nice sear, avoid stirring to often. Remove from skillet and set aside in a bowl.
Add remaining 1/2 tablespoon of oil to the same skillet and add the cabbage. Cook for a few minutes until cabbage softens.
Reduce the heat to medium and add the noodles, zucchini, mushrooms, and green onions to the skillet and give it a good stir. Add 1/2 the sauce and stir to coat.
Depending on how saucy you want your noodles, continue to add the remaining sauce to the stir-fry until desired consistency.
Remove skillet from heat and allow sauce to thicken up. Divide into bowls and garnish with sesame seeds, green onions, and sriracha, if desired.