Cut beef brisket and squid into bite-sized pieces.
Slice Cheongyang chili peppers and green onions thinly.
Heat oil in a pan and stir-fry the beef brisket.
When the brisket is about halfway cooked, add the squid and stir-fry together.
Season with salt and pepper.
Add the chili peppers and green onions, stir-fry briefly, and serve.