sentence: chop carrot celery onion and garlic sentence: add all vegetables into pot with oil and a pinch of salt sentence: add ground lamb to pot sentence: peal potatos and chop into chunks sentence: put potatos into cold salted water and bring to boil sentence: add lamb stock tomato puree and lea and perrins and warm water sentence: add meat mixture to baking dish sentence: mash potatos with milk and butter and salt sentence: cover meat with mashed potatos sentence: add blue cheese and put in oven