Make sure your pea leaves are thoroughly washed and picked through for tough stems. Heat the oil in a large wok over high heat. Add the garlic and stir for a couple of seconds before adding the veggies.
Stir-fry for 20 seconds, keeping the vegetables constantly moving. Add the salt, white pepper, and sesame oil. Continue stir-frying until the vegetables are completely wilted but still vibrant green. Serve.