Cut the pork neck into bite-sized pieces.
Slice the onion and green onion thinly.
Add oil to a pan and stir-fry the pork neck.
When the pork is half cooked, add the onion and green onion and stir-fry together.
Season with soy sauce, oligosaccharide, and pepper.
Place the stir-fried pork and vegetables over rice.
Top with seaweed flakes or a fried egg as desired.