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Classic Shepherd's Pie with savory minced lamb and vegetables topped with golden mashed potatoes.

Classic Shepherd's Pie

This is the ultimate comfort bake, featuring a rich and savory ground lamb filling with vegetables in a thick gravy, topped with creamy, golden-brown mashed potatoes. It's a complete, satisfying meal that builds deep flavor through careful browning and simmering. Perfect for family dinners, it delivers a soul-warming experience with every bite.
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Prep Time 30 minutes
Cook Time 1 hour
Total Time 1 hour 30 minutes
Servings: 6
Course: Main Course
Cuisine: British
Calories: 450
Ingredients Equipment Method Notes

Ingredients
  

  • 1 ½ lbs ground lamb
  • 1 large yellow onion, finely diced
  • 2 medium carrots, finely diced
  • 2 ribs celery, finely diced
  • 3 cloves garlic, minced
  • 2 tbsp tomato paste
  • 1 tbsp Worcestershire sauce
  • 1 cup beef or lamb stock
  • 1 tsp fresh thyme leaves or ½ tsp dried
  • 1 cup frozen peas
  • 2 tbsp all-purpose flour
  • Salt and freshly ground black pepper, to taste
  • 2 tbsp olive oil
  • 2 ½ lbs Russet or Yukon Gold potatoes, peeled and cut into chunks
  • ½ cup whole milk, warmed
  • 4 tbsp unsalted butter
  • ½ cup sharp cheddar cheese, grated optional
  • Salt and white pepper, to taste

Equipment

  • Large pot
  • Colander
  • Large skillet or Dutch oven
  • Wooden spoon
  • Measuring cups and spoons
  • Vegetable peeler
  • Chef's knife
  • Cutting board
  • Small saucepan
  • 9x13 inch baking dish
  • Mixing bowls
  • Potato masher or ricer
  • Fork

Method
 

  1. Prep the potatoes: Peel and cut potatoes into even chunks. Place in a large pot of cold, salted water. Set aside.
  2. Prepare vegetables: Finely dice the onion, carrots, and celery. Mince the garlic. Set aside.
  3. Brown the lamb: Heat olive oil in a large skillet or Dutch oven over medium-high heat. Add ground lamb, breaking it up with a spoon. Cook until well-browned, 6-8 minutes. Transfer lamb to a bowl, leaving drippings in the pan.
  4. Cook the vegetables: Add diced onion, carrot, and celery to the skillet. Cook, stirring occasionally, until softened, 8-10 minutes.
  5. Add aromatics: Stir in minced garlic and tomato paste. Cook for 1 minute until fragrant.
  6. Add flour: Sprinkle the 2 tbsp of flour over the vegetable mixture. Stir constantly and cook for 1 full minute.
  7. Simmer the filling: Pour in Worcestershire sauce and stock, scraping up browned bits from the pan bottom. Return the browned lamb to the skillet. Add thyme and season generously with salt and pepper. Bring to a simmer, then reduce heat to low. Cook uncovered for 15-20 minutes until gravy has thickened. Stir in frozen peas at the end. Remove from heat.
  8. Cook the potatoes: While filling simmers, bring the pot of potatoes to a boil. Cook until very tender, 15-20 minutes. Drain well and return to the hot pot for 1 minute to dry.
  9. Mash the potatoes: Mash potatoes until smooth. In a small saucepan, gently warm the milk and butter until butter melts. Gradually add the warm milk-butter mixture to the potatoes, mashing until creamy and smooth. Season well with salt and white pepper. Stir in grated cheddar cheese if using.
  10. Preheat oven to 400°F (200°C).
  11. Assemble: Transfer the warm meat filling to a 9x13 inch baking dish, spreading evenly. Dollop the mashed potatoes over the filling. Use a fork to spread them carefully to the edges to create a seal. Create decorative swirls over the entire surface with the fork.
  12. Bake: Bake for 25-30 minutes, until the filling is bubbling around the edges and the potato topping is golden brown.
  13. Rest: Let the pie rest for 10-15 minutes before serving to allow the filling to set.

Notes

For the fluffiest mash, let potatoes steam dry in the hot pot after draining. Ensure the filling is thick like a sloppy Joe mixture before assembling to prevent the topping from sinking. For a deeper golden top, brush the potato swirls with melted butter before baking or use the broiler for a final minute (watch closely!). Leftovers keep well in the fridge for up to 3 days. Reheat in the oven or microwave. Freeze assembled but unbaked pie for up to 3 months; thaw in fridge before baking.