Cut the meat into thin strips. Add the marinade. Book fresh for 30 minutes.
Cut the carrot, peppers and onion into julienne. Prepare the sauce and mix.
Heat the oil in a wok or sauté pan, quickly grab the meat, remove it and let it drain. Discard the oil, keep only 2 tablespoons.
Grab the vegetables, add the sauce, bring to the boil, add the meat and link with the cornflour. Serve immediately.