Cut chicken into strips 3 inch by 1/4 inch. Chop scallions crosswise about 1/8th inch. Heat a fry pan on high, add oil, and let smoke for 2-3 mins. Add chicken stir well to coat all sides with sesame oil. Fry chicken 8-12 mins, until cooked through and golden brown on outside. Remove from heat, and add scallions and sauce. Stir, let stand 2 mins. Serve over rice