Dinner

Rustic Shepherd’s Pie with Cheesy Mashed Potatoes Recipe

ByJeannette Jaeger March 8, 2026March 8, 2026

Introduction

This Rustic Shepherd’s Pie is a comforting classic made with hearty ground lamb or beef and a flavorful vegetable base. Topped with the cheesiest mashed potatoes, it’s the perfect cozy meal for any night of the week.

The dish is a baked shepherd’s pie presented in a round, white cast iron skillet. The top layer is golden-brown mashed potatoes with melted orange cheddar cheese scattered evenly and garnished with small green herbs. Below, the second layer shows a rich mix of cooked ground beef and bright green peas, contrasting with the creamy mashed potatoes above. The texture on top is slightly crispy and browned at the edges, while the filling looks moist and hearty. The skillet sits on a white marbled surface with a beige and white linen napkin nearby. photo taken with an iphone --ar 4:5 --v 7

Ingredients

1 lb ground lamb (or beef)
3 cups mirepoix (onion, carrot, celery)
2 lbs Yukon gold potatoes
4 ounces Irish cheddar cheese
1 tablespoon Worcestershire sauce
Fresh herbs (rosemary, thyme)
¾ cup half and half
Salt and pepper, to taste
2 cloves garlic, minced
1 tablespoon tomato paste
1 cup beef or vegetable stock
½ cup peas

Instructions

Step 1: Peel and boil the potatoes in salted water until fork-tender, about 15-20 minutes. Drain well and mash with half and half and the grated Irish cheddar cheese until smooth and creamy. Season with salt and pepper to taste.
Step 2: In a large oven-safe pot or skillet, cook the ground lamb or beef over medium heat until browned. Drain any excess fat.
Step 3: Add the mirepoix to the pot and sauté until the vegetables are soft and translucent, about 5-7 minutes. Stir in minced garlic and cook for another minute.
Step 4: Mix in Worcestershire sauce, tomato paste, fresh rosemary and thyme, and the stock. Let the mixture simmer gently for 15 minutes to develop the flavors.
Step 5: Stir in the peas and season the filling with salt and pepper to your preference. Spread the mashed potato mixture evenly over the meat and vegetable filling.
Step 6: Place the pot or transfer the mixture to a baking dish and bake in a preheated oven at 425°F for 15 minutes or until heated through. For a golden, crispy top, broil for 2-3 minutes, watching carefully to avoid burning.

Tips & Variations

For extra flavor, add a splash of red wine to the meat mixture before simmering.
Swap out the lamb or beef for ground turkey or chicken for a lighter option.
Mix in some grated Parmesan with the cheddar for a richer mashed potato topping.
Use leftover cooked vegetables in place of mirepoix to save time and reduce waste.

Storage

Store any leftover shepherd’s pie covered in the refrigerator for up to 3 days. Reheat individual portions in the microwave or warm the entire dish in a 350°F oven until heated through. This pie can also be frozen for up to 2 months; thaw overnight in the refrigerator before reheating.

How to Serve

A rectangular black baking dish contains a shepherd’s pie with one corner cut out, showing two layers: the bottom layer is a mix of cooked ground meat with small diced orange carrots and green peas, and the top layer is piped mashed potatoes with a golden brown baked crust, decorated with small green herb bits. The dish is set on a white marbled surface with fresh green herb sprigs nearby. Photo taken with an iphone --ar 4:5 --v 7

Serve this delicious recipe with your favorite sides.

FAQs

Can I make shepherd’s pie ahead of time?

Yes, you can prepare the filling and mashed potatoes separately and assemble the pie just before baking. This makes for easy meal prep and fresher results.

What can I use instead of half and half in the mashed potatoes?

You can substitute with whole milk, heavy cream, or even a dairy-free alternative like almond or oat milk, depending on your preference and dietary needs.