sentence: pour olive oil onto a hot pan and add minced lamb sentence: grate onion carrot and garlic into the pan sentence: add worcester sauce tomato puree red wine thyme and rosemary to the pan sentence: add chicken stock to the pan sentence: add mashed potatoes seasoning egg yolks and parmesan cheese to a bowl and mix sentence: place the potato on top of the mince sentence: place the pie in the oven