Cube the tofu. Wash vegetables. Heat oil in a wok & fry the bean curd for 2 minutes. Remove & drain. Add more oil if necessary & stir fry the vegetables & red chilies for 2 minutes. Add soy sauce, sherry & yellow bean paste. Mix well, add the bean curd & stir together for 2 minutes. Sprinkle on the sesame oil & serve with rice.