Spicy prawn cakes

Name: Spicy prawn cakes
Ingredients: 3 spring onions; 2 small red chillies; finely grated zest of 1 lime and 1 tbsp fresh lime juice; pinch of sugar; 3 tbsp chopped fresh coriander; 225g shelled raw tiger prawn; 1-2 tbsp plain flour for dusting; 3 tbsp sunflower oil; 140g medium egg noodles (we used Blue Dragon); 1 garlic clove crushed; 1 rounded tsp grated fresh root ginger; 50g mangetout trimmed and thinly sliced lengthways; 2 tbsp soy sauce; 1 tsp sesame oil; 1 tbsp toasted sesame seeds