Step-by-step instructions
- Preheat your oven to 180°C (350°F).
- Peel and slice the potatoes thinly to ensure even cooking.
- In a large pan, sauté the chopped onions and minced garlic until they turn translucent and fragrant.
- Add the ground beef to the pan and cook it until browned, seasoning with salt and pepper.
- In a greased baking dish, layer half of the potato slices, followed by the beef mixture, and then top with the remaining potato slices.
- Pour milk or broth over the layers (if desired) for added moisture and creaminess.
- Cover with foil and bake for about 45 minutes.
- After 45 minutes, remove the foil, sprinkle grated cheese on top (if using), and bake for an additional 15-20 minutes until the cheese is bubbly and golden.
- Let the dish rest for a few minutes before serving to allow everything to settle.
How to serve Beef and Potato Gratin
This beef and potato gratin is perfect on its own but can be paired beautifully with a crisp side salad or steamed vegetables for a well-rounded meal. Serve it straight from the oven to keep the cheesy top bubbling, and consider garnishing with fresh herbs like parsley or thyme for a colorful finish. A dollop of sour cream or a tangy yogurt sauce can also elevate the dish.
Storage and reheating tips
To keep your leftover beef and potato gratin fresh, store it in an airtight container in the refrigerator for up to three days. If you want to save it for later, this dish freezes well. Just make sure it’s cooled down before transferring it to a freezer-safe container. When reheating, do so gently in the oven at a low temperature to ensure it warms evenly, preserving that delightful texture.
Helpful cooking tips
- Use a mandoline for slicing potatoes uniformly; this ensures they cook evenly.
- Let the dish rest before serving; it makes serving easier and allows the flavors to meld beautifully.
- Experiment with flavors by adding spices or herbs like thyme or rosemary to the meat mixture for an extra layer of taste.
Creative twists
Feel free to customize your beef and potato gratin! You can add sautéed mushrooms or spinach to the beef mixture for added nutrition and flavor. For a hint of heat, consider sprinkling in some red pepper flakes. Switch up the cheese topping by trying Gruyère or cheddar for a different flavor profile.

Common questions
How long will it take to prepare?
Preparation and cooking time for this beef and potato gratin is about an hour, making it ideal for a weeknight meal or weekend gathering.
Can I substitute the beef?
Absolutely! Ground turkey, chicken, or even plant-based meat alternatives work well in this recipe. Just adjust the cooking time as needed based on your choice.
How do I ensure it doesn’t get soggy?
Layer your ingredients properly and avoid over-soaking them in liquid. If using milk or broth, add just enough to moisten the layers without drowning them.
Cooking a delicious beef and potato gratin has never been easier. With these steps and tips, you’ll create a heartwarming dish that is sure to become a family favorite!






