Heat the oven to 220c.
Spread some hoi sin sauce on the pizza bases and sprinkle over a little of the spring onion.
Cook the bases in the oven for ten minutes.
Meanwhile, heat a wok or sauté pan and add some rapeseed and sesame oil.
Cook the garlic and ginger for a few minutes then add the prawns and cook for two minutes.
Add the cabbage, chilli and soy sauce and toss through.
Cook for one minute and stir in a spoon or two of hoi sin sauce.
Top the pizzas with the prawn and cabbage mix then reduce the pan juices to a sticky and glossy glaze.
Add a little more hoi sin to the pizzas and scatter over the chopped coriander and remaining spring onion. Finish with a drizzle of the pan juices and a sprinkle of the spring onion and serve piping hot.