Mix the sauce ingredients together (I did so in a measuring cup for easy pouring) set aside. Place each veggie in its own bowl for easy access.
Heat wok or large skillet with enough oil to coat bottom, over med-high heat.
Throw broccoli and carrots into skillet (I say this because it will probably spit at you). Cook stirring constantly for about 1 minute. Add the bell pepper and mushrooms and stir another 1-2 minutes, until just softened.
Add the bell pepper and mushrooms and stir another 1-2 minutes, until just softened.
Add the green onion and zucchini, and continue to cook, stirring constantly until mushrooms are just browned around the edges. Turn heat down to medium.
Add the sauce and cook, stirring for about 2 minutes, until thickened. Serve immediately.