The main ingredient in a traditional shepherd's pie is minced meat, typically lamb. This hearty dish originated in the United Kingdom and features a flavorful meat filling, often combined with vegetables like peas and carrots, all topped with a layer of creamy mashed potatoes. The dish is baked until the top is golden and crispy, providing a delightful contrast to the savory filling below. Shepherd's pie is often confused with cottage pie, which uses beef instead of lamb. It is a classic comfort food, enjoyed for its warmth and rich flavors, making it a popular choice in many households.