To make the choi sum: Toss the choi sum leaves, sugar snap peas
, red bell pepper
, yellow bell pepper, pineapple, and spring onions
together in a large serving bowl.
To make the dressing
: Mix the groundnut oil, pineapple juice, light soy sauce
, rice vinegar
, and black pepper in a small bowl, and stir well. Then, pour the dressing mixture over the salad just before serving. Toss well, and serve immediately.