Fried Prawn Paste Chicken (Har Cheong Gai 虾酱鸡)

Name: Fried Prawn Paste Chicken (Har Cheong Gai 虾酱鸡)
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Cuisine: Asian, Chinese
Ingredients: 1 kg chicken drumettes and wingettes; 3 tbsp prawn paste or shrimp sauce; 2 - 3 tsp sugar; 2 tbsp sesame oil; 3 tbsp Chinese wine; 1 tsp white pepper; 2 tsp MSG (optional - I omit this entirely); 80 g plain flour; 80 g potato starch or corn flour; 100 ml water; 1 egg; 1/4 tsp bicarbonate of soda; 1/4 tsp baking powder