Stir together all sauce ingredients until smooth, set aside. It should be easily pourable - if not, add more water.
Drizzle a large skillet over medium heat withoil. Saute shrimp, bean sprouts, and carrots until shrimp is cooked through.
Push shrimp and veggies to one side of the pan, pour whisked eggs onto the uncovered half of the pan. Stir eggs often until scrambled.
Stir noodles, sauce, and green onions into thepan. Give it a good toss, garnish with cilantro and lime wedges if desired and serve immediately.
