Pork noodles with bean sauce

Name: Pork noodles with bean sauce
Ingredients: 300g/10½oz dried or fresh egg noodles, cooked according to the packet instructions and drained; 1½ tbsp oil; 2 garlic cloves, finely chopped; 1 tbsp fresh root ginger, finely chopped; 3 tbsp spring onions, chopped, plus extra for garnish; 450g/1 lb minced pork; 3 tbsp yellow bean sauce or black bean sauce; 1½ tbsp Shaoxing rice wine or dry sherry (optional); 2 tbsp soy sauce; ½ tsp freshly ground black pepper; 2 tsp chilli oil (optional); 2 tsp sugar