Ingredients
Method
1.Heat half the oil in a large saucepan over moderately high heat. Cook lamb, in batches, for 2 minutes or until browned. Set aside. Add remaining oil to pan; cook and stir onion, carrot and celery for 5 minutes or until onion is soft.
2.Return lamb to pan. Add flour; cook and stir for 2 minutes or until combined. Add stock, tomatoes and rosemary. Bring to the boil. Reduce heat to low. Simmer, covered, for 1 hour 15 minutes or until lamb is almost tender. Add potato; simmer, covered, for 15 minutes or until potato is tender. Cool.
3.Preheat oven to 220°C/200°C fan forced. Grease a 2-litre (8-cup) oval ovenproof dish. Place on a baking tray. Brush edge of dish with egg. Spoon filling into prepared dish. Top with pastry. Fork edge to seal; trim. Bake for 30 minutes or until puffed and golden. Stand for 5 minutes. Serve.