This quick and easy stir-fry is a great way to use up leftover green beans and mushrooms. The dish starts with sautéed garlic and ginger, then adds sliced mushrooms and green beans. The vegetables are stir-fried until tender-crisp, then tossed with a simple sauce made with soy sauce, rice vinegar, and honey. The dish is finished with a sprinkle of sesame seeds and chopped scallions. Serve over rice or noodles for a satisfying and flavorful meal.