I love this simple prawn stir-fry. The secret to making it extra delicious is to keep the broccoli crisp and crunchy.
Heat the oil in a saucepan over a medium heat, add the onion and fry for 3–4 minutes until softened, then add the garlic and ginger and fry for 30 seconds. Add the stock and bring to the boil.
Mix the cornflour in a small bowl with