Mashed Potatoes

1. Place the potatoes in a deep pot and cover with water. Bring to a boil and reduce to a simmer. Cook for 15 minutes or until tender.
2. Drain the potatoes and transfer to a bowl. Mash the potatoes while slowly adding in the butter and cream.
3. Season to taste with salt and pepper.
4. Put aside.

Lamb Filling

1. In a large frying pan over medium heat, add the oil.
2. Once hot, add the onion, garlic, celery, and carrot. Cook until onion is translucent.
3. Add the ground lamb and cook until browned. Add the red wine and simmer for 2 minutes.
4. In a slow cooker, add the lamb mixture, Worcestershire sauce, tomato paste, thyme, parsley, and beef stock. Season to taste.
5. Combine the cornstarch with two tablespoons of water. Stir into the slow cooker.
6. Top the lamb mixture with the mashed potatoes.
7. Cook on low for 6 hours.
8. Serve & Enjoy.