English-Style Shepherd’s Pie with Ground Lamb and Peas

By Lauren Mitchell, Test Kitchen Director · Reviewed by AislePrompt Editorial · Published 2026-04-30 · Updated 2026-04-30

A hearty shepherd’s pie featuring seasoned ground lamb and sweet peas topped with creamy mashed potatoes. This english-inspired lamb ready in about 65 minutes layers ground lamb, onion, carrot into a dessert worth slowing down for — great for weekend baking, holiday tables, or any time you want a sweet payoff at the end of a meal. Each serving lands at about 480 calories and feeds 6, so it slots into a weekend bake or a special-occasion dessert tray. Tap "Plan a meal with the AI" below to drop this recipe into your week and send the ingredients straight to Instacart. Nutrition values are approximate, calculated from USDA FoodData Central (fdc.nal.usda.gov) — verify against ingredient labels for any health-driven dietary plan.

Ingredients

• 1 lb ground lamb
• 1 medium, diced onion
• 1 large, diced carrot
• 2, minced garlic cloves
• 1 cup frozen peas
• 2 tbsp tomato paste
• 1 cup beef broth
• 1 tbsp Worcestershire sauce
• 4 tbsp butter
• 1 tbsp all-purpose flour
• 2 lbs, peeled and quartered potatoes
• 1/2 cup milk
• 1 1/2 tsp, divided salt
• 1 tsp, divided black pepper
• 2 tbsp olive oil

Instructions

1. Step 1: Place 2 lbs peeled and quartered potatoes in a large pot of salted water (1 tsp salt). Bring to a boil over high heat and cook for 15-20 minutes until tender.
2. Step 2: While potatoes cook, heat 2 tbsp olive oil in a large skillet over medium heat. Add 1 diced medium onion and 1 diced large carrot, sauté for 5 minutes until softened. Add 2 minced garlic cloves and cook for 1 minute until fragrant.
3. Step 3: Add 1 lb ground lamb to the skillet, breaking it up with a spoon. Cook for 6-8 minutes until browned and cooked through.
4. Step 4: Stir in 2 tbsp tomato paste and 1 tbsp all-purpose flour, cooking for 2 minutes to thicken. Pour in 1 cup beef broth and 1 tbsp Worcestershire sauce, simmer for 5 minutes until sauce thickens slightly.
5. Step 5: Add 1 cup frozen peas, 1/2 tsp salt, and 1/2 tsp black pepper to the meat mixture, stir to combine, then remove from heat.
6. Step 6: Drain the potatoes and return them to the pot. Add 4 tbsp butter, 1/2 cup milk, 1/2 tsp salt, and 1/2 tsp black pepper. Mash until smooth and creamy.
7. Step 7: Preheat oven to 400°F. Transfer the meat mixture to a 9x9-inch baking dish. Spread mashed potatoes evenly over the top.
8. Step 8: Bake for 20-25 minutes until the top is golden and edges are bubbling. Let rest 5 minutes before serving.