Cut the thinly sliced pork neck into bite-sized pieces.
Julienne the vegetables such as onion, bell pepper, and carrot.
Heat cooking oil in a pan and stir-fry the pork neck.
When the pork is cooked through, add the prepared vegetables and stir-fry together.
Season with salt and pepper, and stir-fry until all ingredients are cooked.
Transfer to a plate to finish.