Slow cooked lamb Chinese stew

Name: Slow cooked lamb Chinese stew
Prep time: 20 min
Cook time: 3 h
Total time: 3 h 20 min
Cuisine: Chinese
Ingredients: 1 kg Lamb shoulder (Boneless, diced See note 1 below); 4 tbsp Plain flour; 1 tsp Salt; ½ tsp Ground black pepper; 4 tbsp Canola oil; 6 cloves Garlic (sliced); 1 thumb size Fresh ginger (peeled, thinly sliced); 4 sticks Spring onions / scallions (5cm sticks); 1.5 tsp Chilli flakes ((Adjust to your preferred heat level)); 4 Star anise; 1 Cinnamon stick; 1 stalk Lemongrass (bash slightly to release flavour); 1 cup Chicken stock; 1/2 cup Light soy sauce (All purpose); ¼ cup Hoisin sauce; ½ cup Rice vinegar; ½ cup Brown sugar; 3 tbsp Sriracha sauce ((Adjust to your preferred heat level)); Roasted peanuts (crushed); Red chilli (sliced); Fresh coriander (picked)