Soak noodles according to package instructions. Drain.(Slightly al dente is good, they will be cooked the rest of the way in the sauce.)

In a small bowl, whisk together brown sugar, lime juice, soy sauce, and Sriracha. Set aside.

In a large nonstick skillet, heat oil over medium-high heat.

Add scallion whites and garlic and cook, stirring constantly, until fragrant (about 30 seconds).

Add eggs and cook, scraping skillet with spatula until eggs are almost set. Transfer eggs to a plate.

Add noodles, scallion greens, and sauce to skillet. Cook, tossing constantly, until noodles are soft (about 1 minute). Add egg mixture and toss to coat, breaking eggs up gently.

Serve noodles with cilantro, carrots, bean sprouts, and peanuts.