sentence: add oil and onions to a pan sentence: add carrots celery butter and salt to the pan sentence: melt fat in a pan sentence: cook the beef in the pan until brown sentence: stir in beef stock and vegetables sentence: add worcestershire sauce to the pot sentence: add pepper salt thyme flour and stock to the pot sentence: add parsley to the pot sentence: mash the boiled potatos with butter salt and pepper sentence: transfer the meat mixutre to a dish sentence: layer the potatos in the dish sentence: bake the dish in the oven sentence: sprinkle parsley on the top