Begin by adding your oil to a frying pan or wok. Place over a medium to high heat and add in your pork mince, sausage meat or tofu. Break this up with the back of your spatula and allow to darken in colour and crisp up. Next add in the chilli flakes and white pepper to taste, depending on how spicy you like your food, then add in your cabbage and spring onion cooking until the cabbage softens a little.