Recipe by: taste.com.auServes: 4Time: 1h 20m Ingredients 1 tbsp olive oil 1 brown onion, halved, finely chopped 1 carrot, peeled, finely chopped 2 celery sticks, trimmed, finely chopped 1 tbsp tomato paste 500g lamb mince Salt & freshly ground black pepper 2 tbsp plain flour 500ml (2 cups) Massel beef style stock 1 tbsp worcestershire sauce