Chinese-style braised beef one-pot

Name: Chinese-style braised beef one-pot
Prep time: 10 min
Cook time: 2 h 30 min
Total time: 2 h 40 min
Cuisine: Chinese
Ingredients: 3-4 tbsp olive oil; 6 garlic cloves, thinly sliced; good thumb-size piece fresh root ginger, peeled and shredded; 1 bunch spring onions, sliced; 1 red chilli, deseeded and thinly sliced; 1½ kg braising beef, cut into large pieces (we used ox cheek); 2 tbsp plain flour, well seasoned; 1 tsp Chinese five-spice powder; 2 star anise (optional); 2 tsp light muscovado sugar (or use whatever you've got); 3 tbsp Chinese cooking wine or dry sherry; 3 tbsp dark soy sauce, plus more to serve; 500ml beef stock (we used Knorr Touch of Taste); steamed bok choi and steamed basmati rice, to serve