Cook rice noodles according to package instructions. Drain and set aside.
Heat oil in a large pan over medium heat. Add garlic and cook until fragrant.
Add bell pepper and carrot, stir-fry for 5 minutes.
Add bean sprouts and green onions, cook for another 2 minutes.
In a small bowl, mix soy sauce, fish sauce, lime juice, and sugar.
Add cooked noodles to the pan, pour sauce mixture over, and toss to combine.
Cook for another 2 minutes, ensuring everything is well mixed.
Serve hot, garnished with chopped peanuts and fresh cilantro.