Pulled Beef Rogan Josh

Ingredients

• 1 tbsp vegetable oil
• 1.2kg beef blade roast
• 1 brown onion, diced
• 1 sprig fresh curry leaves, leaves picked
• 5cm piece fresh ginger, grated
• 1/3 cup rogan josh curry paste
• 400g can crushed tomatoes
• 1 1/2 cups Massel beef stock
• 1 small eggplant, chopped
• 400g sweet potato, peeled, chopped
• 200g grape tomatoes, halved
• Fried curry leaves (optional, see note)
• 1/2 cup plain Greek-style yoghurt
• 6 warmed roti (optional), to serve