3-4 floury potatoes, such as Maris Piper or King Edward, peeled, chopped
2 carrots, peeled, chopped
2 garlic cloves, peeled, finely chopped
1 onion, peeled, finely chopped
1 large parsnip, peeled, chopped
1 tsp chopped fresh rosemary (or thyme)
陆 swede, peeled, chopped
200g/7oz canned chopped tomatoes
1 litre/1戮 pints meat stock
1 tbsp vegetable oil
1-2 tbsp butter
dash milk
150g/5oz frozen peas
320g/11fl oz cold leftover roast lamb, finely chopped