Step1:Remove the fascia on the surface of beef and slice it crosswise. Rinse it in water and wring it dry for standby. Prepare marinade sauce - black pepper sauce 3 tablespoons + 1 tablespoon of homemade mixed soy sauce (see the method here) + 1 / 2 teaspoon of pineapple juice. Add proper amount of water and mix it evenly. Slowly pour the marinade sauce into beef fillet. Stir it while pouring it. Let the beef eat the marinade sauce (that is, beef tenderloin is in swelling state). Marinate the beef fillet Condition for 20 minutes. Sprinkle with dry starch and mix well. Pour another tablespoon of oil and mix well.
Step2:Wash and remove the seeds of green / red peppers. Pat with the back of the knife and cut into strips for standby. Heat the wok and fill in oil. Pour in the green / red peppers. Stir quickly until it is cut off. Mix in a little salt and shake up the wok
Step3:After cleaning the pot, pour the marinated beef into the warm oil in the hot pot. Turn the wok to make it smooth and disperse quickly. After the meat changes color, stir the stir fried green / red pepper shreds. Stir well and start the pot
Step4:Sprinkle some fried sesame seeds.
Cooking tips:1. there are three key moves to stir fry beef tenderly. One is to eat water. Let the beef eat the delicious marinade sauce. The beef with water and sauce is tender; the second is oil sealing. Dry starch + oil. It can wrap the juicy beef fillet closely. It can resist the high temperature oil pot. The third is to control the heat. The action of stewing and frying in the pot should be fast. 2. if you want to stir fry beef tenderer and sweeter, add a small amount of pineapple juice when marinating. This is the little secret from the barbecue shop. In order to make the meat more tender, many barbecue shops will add a small amount of pineapple juice to marinate the beef. Pineapple protease contained in pineapple has the effect of breaking down protein, so it can make beef more fresh, sweet and tender. There are skills in making delicious dishes.