Ginger sweet tofu with pak choi

Name: Ginger sweet tofu with pak choi
Prep time: 15 min
Cook time: 15 min
Total time: 30 min
Cuisine: Chinese
Ingredients: 250g fresh firm tofu , drained; 2 tbsp groundnut oil; 1cm piece ginger , sliced; 200g pak choi , leaves separated; 1 tbsp Shaohsing rice wine; 1 tbsp rice vinegar; ½ tsp dried chilli flakes; cooked jasmine rice , to serve; 1 tbsp grated ginger; 1 tsp dark soy sauce; 2 tbsp light soy sauce; 1 tbsp brown sugar