Easy Traditional Cottage Pie Casserole Recipe

If you’re searching for a comforting dish that’s simple to prepare and sure to delight the entire family, look no further than this traditional cottage pie casserole recipe. With its savory layers of seasoned meat and creamy mashed potatoes, this dish is perfect for any occasion.
Growing up, cottage pie was a staple at family gatherings. My grandmother prepared it with love and always had a secret ingredient she would never reveal. It quickly became a family favorite, especially during the colder months. Now, as I recreate this dish, I’m reminded of those cozy weekends spent with loved ones, gathered around the table, savoring every bite.
Why You’ll Love This Recipe
This recipe is a classic for a reason. It’s not only delicious but also versatile. You can make it in advance, refrigerate, and bake when needed, making it a perfect option for those busy weeknights. The ingredients are budget-friendly and easy to find, ensuring everyone can enjoy a hearty meal without hassle. Plus, it’s a one-pan dish, reducing cleanup and leaving you with more time to relax.
Ingredients Notes
For the ground meat, I prefer using beef for its rich flavor, but you can substitute it with lamb or turkey for a lighter option. Fresh vegetables like carrots, peas, and onions add a pleasing texture and flavor. Consider using Yukon gold potatoes for their buttery taste. Season generously with thyme and Worcestershire sauce for a zestful kick.
Recipe Steps
Step 1
Preheat your oven to 375°F (190°C). Begin by preparing your mashed potatoes. Peel and boil the potatoes until tender, then mash with butter, milk, salt, and pepper until smooth. Set aside.
Step 2
In a large skillet, cook your ground beef over medium heat until browned. Drain excess fat. Add diced onions, carrots, and peas, cooking until the vegetables start to soften.
Step 3
Stir in Worcestershire sauce and a sprinkle of flour to thicken the mixture. Allow it to simmer for a few minutes, ensuring all flavors meld perfectly.
Step 4
Transfer the meat mixture into a casserole dish, spreading evenly. Top with the mashed potatoes, smoothing with a spatula. Create enticing texture by fluffing with a fork.
WANT TO SAVE THIS RECIPE?
Step 5
Bake in the preheated oven for about 30 minutes, or until the top is golden brown. Serve hot and enjoy your comforting creation.
Storage Options
Leftovers can be stored in an airtight container in the refrigerator for up to three days. If you wish to freeze, let the casserole cool completely, wrap securely in aluminum foil, and freeze for up to two months. To reheat, thaw overnight in the refrigerator and bake at 350°F (175°C) until heated through.
Variations & Substitutions
For a healthier twist, replace potatoes with mashed cauliflower. Vegetarians can swap the meat for lentils and add mushrooms for a savory depth. Spice things up with a touch of cayenne pepper or replace thyme with rosemary for a fragrant aroma.
Serving Suggestions
This casserole makes an excellent weeknight dinner but is also fitting for festive occasions. Serve it alongside a fresh green salad or steamed vegetables. For a touch of elegance, pair with a robust red wine or refreshing apple cider.
Frequently Asked Questions
Can I prepare this dish in advance? Absolutely! You can assemble the cottage pie a day ahead, refrigerate, and bake when ready to serve. This allows the flavors to deepen overnight, offering an even more savory experience.
What if I don’t have Worcestershire sauce? If Worcestershire sauce isn’t available, a combination of soy sauce and a splash of vinegar makes a great substitute, adding the needed umami flavor.
Can I use leftover mashed potatoes? Definitely. Using leftover mashed potatoes can save time. Before topping the casserole, warm and whip them to restore a smooth texture for even spreading.
This delightful cottage pie casserole is more than just a meal; it’s a tradition that brings warmth and joy. Whether you’re reinventing a family classic or trying it for the first time, it invites connection and comfort, filling hearts and stomachs alike.

Easy Traditional Cottage Pie Casserole Recipe
Ingredients
Main Ingredients
- 1.5 pounds ground beef 80% lean
- 1 large onion chopped
- 2 cloves garlic minced
- 2 tablespoons tomato paste
- 1 cup beef broth low sodium
- 1 cup frozen peas and carrots
- 1 teaspoon Worcestershire sauce
- 2 pounds potatoes peeled and cubed
- 4 tablespoons butter divided
- 0.5 cup milk whole or 2%
- 0.5 teaspoon salt to taste
- 0.25 teaspoon black pepper to taste
- 1 tablespoon olive oil
Instructions
Preparation Steps
- Preheat your oven to 400°F (200°C).
- In a large skillet over medium heat, add olive oil and sauté onions until translucent, then add garlic and cook for another minute.
- Add ground beef to the skillet, cook until browned. Drain excess fat.
- Stir in tomato paste, beef broth, Worcestershire sauce, peas, and carrots. Simmer for 10 minutes.
- Meanwhile, boil potatoes in a pot of salted water until tender, about 15 minutes. Drain and return to pot.
- Mash potatoes with 2 tablespoons of butter and milk. Season with salt and pepper.
- Pour beef mixture into a baking dish, spread mashed potatoes on top, and dot with remaining butter.
- Bake in the preheated oven until the top is golden brown, about 25-30 minutes. Serve hot.