Lamb Pot Roast

Ingredients

• 1.5 kg boneless lamb leg
• 2 tbsp olive oil
• 6 carrots, peeled and halved
• 2 celery stalks, roughly chopped
• 6 shallots
• 2 ½ cups water
• 2 sprigs rosemary
• ¼ cup red wine vinegar
• 1/3 cup olive oil
• ¼ cup mint leaves, finely chopped
• 6 cloves garlic, minced
• 2 tsp dried oregano
• 1 tsp salt
• ½ tsp freshly ground black pepper