Chinese five-spice spare ribs

INGREDIENTS

• 750g/1½lb pork spareribs
• 600ml/1 pint groundnut (peanut) oil
• 1 tbsp Shaoxing rice wine or dry sherry
• 1 tbsp light soy sauce
• 1 tbsp Chinese black rice vinegar
• 2 tsp sesame oil
• 1 tbsp cornflour
• 2 tbsp finely chopped garlic
• 2 tsp five-spice powder
• 3 tbsp finely chopped spring onions
• 3 tbsp Chinese rock sugarsugar
• 3 tbsp Shaoxing rice wine or dry sherry
• 150ml/5fl oz chicken stock
• 1½ tbsp light soy sauce
• 2 tbsp dried grated orange
• 85ml/3fl oz Chinese black rice vinegar