Heat skillet, add 4T oil until very hot. Remove ½ oil, turn to medium low, add shrimp 1x, 3 minutes, shaking pan gently.
Turn over, dribble in reserved oil from [unclear] 2 more minutes. Reheat sauce slowly.
Pour hot sauce over shrimp, increase heat to med-high, let sauce sizzle, turning shrimps. Put shrimp in swirls on platter and pour sauce over. Scatter scallions.