Chilli prawns

Name: Chilli prawns
Prep time: 30 min
Cook time: 20 min
Total time: 50 min
Cuisine: American, Asian
Ingredients: 1 ½ tbsp sugar; ½ tsp salt (preferably sea salt); 1 cup water; ¼ tsp pepper; 1 tbsp corn flour; 1 tbsp plain flour (or maida (organic or unbleached)); 1 ½ tbsps oil (for frying prawns); 1 tbsp olive (or sesame oil for sauce); ½ cup capsicum (cubed or bell pepper); ¼ cup Spring onions (or ½ cup cubed onions layers seperated or as desired); 1 tbsp garlic (chopped ); 1 to 2 green chili (slit ); 1 ½ tbsps. Chilli sauce ((I use sweet & hot chilli sauce, refer notes)); 1 to 1 ½ tsp soya sauce ((low salt)); 1 to 1 ½ tsp vinegar; 1 tsp chili powder ( with 2 tbsps water or 1 tbsp chili paste); 250 grams deveined prawns ( about 8 to 12 large); ½ tsp pepper ( crushed); ½ tsp sugar