Provençal Lamb Shanks

Ingredients

• 4 x 500g lamb shanks
• 1 x tbsp olive oil, plus 2 tbsp extra
• ½ tsp salt
• ½ tsp ground pepper
• 1 tsp thyme, plus 2 tsp extra
• 2 large onions, sliced
• 2 medium eggplants, sliced
• 2 red capsicums, chopped
• 2 zucchinis, chopped into chunks
• 3 garlic cloves, crushed
• 4 large tomatoes, sliced into wedges
• 2 cups (500 ml) dry red wine
• 810g can crushed tomatoes
• 2 beef stock cubes
• ½ cup (125ml) water
• 2 bay leaves
• 1 tsp dried oregano
• 800g sweet potato, peeled and cut into chunks