Cook noodles according to package instructions. Drain and set aside.
In a small bowl, whisk together peanut sauce ingredients, adding water as needed to reach desired consistency.
In a large skillet, stir-fry broccoli, red bell pepper, and carrot until just tender.
Add cooked noodles and pour peanut sauce over everything, tossing to coat.
Garnish with chopped green onions before serving.
