Set aside the minced garlic, ginger, spring onions, and red peppers. Slice the beef thinly against the grain. Put the Marinade ingredients in a bowl and mix with the meat. The Szechuan powder can be lightly toasted for a few seconds and then crushed into a mortar. Mix the sauce in a small ramekin.
Let’s WOK
Place the beef into the wok and cook on both sides. Set aside.
Add more oil to the pan, then add the red peppers. Cook for a couple of seconds. Then add the garlic and ginger for 10-20 seconds. Then add the Szechuan Peppercorns. Put the beef in the wok to heat it. Add the sauce and mix through.
Add the sesame seeds and spring onions to the top.