Mary Berry bashes the steak for her beef stir-fry before ... oil and fry the red peppers and onion for 3–4 minutes over a high heat. Tip in the white parts of the Chinese leaves and fry for ...

Throw in some thinly sliced onions, mushrooms, or even broccoli if you’re really missing it. Want to up the heat? Toss in a jalapeño. Not a fan of beef? This stir-fry will also work great with ...

Stir fry for 1-2 minutes, or until just browned all over. Remove the beef from the wok and set aside. Add the peppers to the wok and stir fry for 1-2 minutes, then add the oyster sauce ...