Heat a wok over a high flame and add the oil. Add the beef shreds before the oil heats up. Separate the shreds with a metal spatula, then add the green pepper and stir. Remove the wok contents immediately and drain off excess oil.
2. 大火燒熱炒鍋，倒三分之一鍋油趁油未熱下牛肉攪散，隨下青椒略攪，立即倒出瀝油。