Cook the rice noodles according to package instructions.
While the noodles are cooking, prepare your vegetables.
In a large skillet, heat sesame oil over medium heat.
Add the broccoli, bell pepper, carrot, and snap peas to the skillet.
Prepare the teriyaki sauce by combining soy sauce, maple syrup, rice vinegar, ginger, and garlic in a bowl.
Pour the teriyaki sauce over the vegetables and stir to combine.
Add the cooked rice noodles to the skillet and toss to combine.
Garnish with green onions before serving.