In a large skillet or wok, stir-fry the pepper, green beans, carrots and onion in oil for 4 minutes. Meanwhile, cook noodles according to package directions (discard seasoning packet or save for another use).
Add the remaining ingredients to the vegetable mixture; cook and stir until vegetables are crisp-tender. Drain noodles; add to vegetables and stir until blended. Yield: 4 servings.