
Heat the oil and fry the spring onions until lightly browned.
Add the pak choi and stir-fry for 3 minutes.
Add the remaining ingredients and stir-fry for 2 minutes.
Stir fry the pak chois, nicely cut up, in the oil. When they start to wrinkle, add peanut butter and soy sauce.
Steam for a few minutes, then serve. Sprinkle sesame seeds on for extra decoration.