Chinese-style braised beef one-pot

Name: Chinese-style braised beef one-pot
Prep time: 10 min
Cook time: 6 h
Total time: 6 h 10 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; 1 ½kg 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