Gordon Ramsay is also a big fan, calling the dish “a great British classic.” He even sells a frozen shepherd’s pie to make it easier to get dinner on the table. But if you're in the mood for a DIY ...

Chopped parsley to garnish. Preheat oven to 350 degrees. Heat the oil in a large skillet over high heat and cook and crumble the meat. Add the onion, celery, and carrots and cook until the vegetables ...