Throw onions, ginger, garlic in a hot pan or wok. Cook until onions start becoming a bit golden.
While the ingredients in step 1 are cooking, soak rice noodles in boiling water for 5 minutes until cooked through. And also mix the ingredients for the sauce.
Throw peppers and carrots into the pan with the onion, ginger, and garlic until cooked through.
Throw in the noodles and cook for a few minutes. Then throw in the sauce.