Green bean stir-fry is a quick and easy dish that is perfect for busy weeknights. To make this stir-fry, you will need fresh green beans, sliced bell peppers, sliced onions, garlic, soy sauce, and sesame oil. Start by washing and trimming the green beans, then blanch them in boiling water for a few minutes. Heat a wok or large skillet over high heat, then add the sliced bell peppers and onions. Stir-fry for a few minutes, then add the garlic and green beans. Drizzle with soy sauce and sesame oil, and continue to stir-fry until the vegetables are tender and the sauce has thickened. Serve hot with rice or noodles.