Whisk together honey, rice vinegar, sesame oil, red pepper flakes, salt and pepper, to taste, in a small bowl; set aside. Heat the oil in a wok or large skillet on high heat. Add the green beans and cook, stirring 2 to 3 minutes until dark green and caramelized. Add the garlic and ginger, stirring constantly for 2 minutes longer. Add the sauce, stir to incorporate and heat another minute. Transfer to a serving dish and serve.