Immune-boosting Slow-Braised Beef | Marion's Kitchen

Name: Immune-boosting Slow-Braised Beef | Marion's Kitchen
Prep time: 20 min
Cook time: 120 min
Total time: 140 min
Yield: 4
Ingredients: 2 tbsp extra virgin olive oil; 2 small eggplant, cut into roughly 3cm (just over 1”) pieces; 600g (1 lb 5 oz) chuck steak, oyster blade steak or gravy beef, fat trimmed, cut into 4cm (1.5”) chunks; sea salt; 6 eschalots, peeled, halved lengthways; 2 large sticks celery, diced; 3 garlic cloves, thinly sliced; 4cm (1.5”) piece fresh ginger, peeled, sliced into thin strips; 3 whole star anise; 1 cinnamon stick; 250ml (1 cup) passata; 375ml (1½ cups) beef stock; 1½ tbsp soy sauce; 1 tbsp Chinese black vinegar*; 2 tsp brown sugar; 400g (14 oz) sweet potato, peeled, chopped into bite-sized pieces; finely sliced spring onion, to serve; finely sliced green chilli, to serve; coriander (cilantro) leaves, chopped, to serve; steamed rice, to serve