sentence: chop the potatoes into cubes and wash under water sentence: boil the potatoes in a pot of hot water sentence: mash the potatoes along with butter and salt sentence: melt butter in a pan and add chopped onions sentence: add ground beef to the pan sentence: add salt pepper thyme and beef broth sentence: add grease to a tray and add the meat sentence: spoon the mashed potatoes on top of the meat and spread evenly sentence: beat an egg in a bowl sentence: brush the top of the potatoes with the egg sentence: draw lines in the potatoes with a fork