Choi sum and mixed vegetable salad with pineapple dressing

1) To make the choi sum: toss the choi sum leaves, sugar snap peas, carrots, red pepper, yellow pepper, pineapple, and spring onions together in a large serving bowl.

2) 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.