Heat the vegetable oil in a large skillet over medium heat. Add the garlic and 3 green onions and cook for 2–3 minutes, until fragrant and tender. Add the carrots and snap peas, then stir in the brown sugar and soy sauce.
2. Step
Add the noodles and toss for a couple of minutes, until the noodles are well-coated and the vegetables are tender. Season with salt and pepper.
3. Step
Serve immediately, garnished with the remaining green onion.