This classic side dish brings comfort to the family table across the United Kingdom. A respected food writer with more than 70 cookbooks refined this simple recipe so home cooks can achieve a golden, creamy finish with ease.
Use 900g waxy potatoes and 150ml single cream, layer in a 1 litre ovenproof dish and season with salt and black pepper. Preheat the oven to 220°C (200°C fan/400°F/Gas 7) and watch the baking time closely to get that crisp, browned top everyone loves.
This recipe serves 6 and pairs beautifully with roast chicken or vegetarian mains. With a few stock tips and careful cooking, you can master a light, flavourful gratin that fits weeknight dinners and special occasions alike.
Key Takeaways
- Serves 6 using 900g potatoes and 150ml cream for a rich, creamy result.
- Preheat oven to 220°C (200°C fan/400°F/Gas 7) for even baking.
- Use a 1 litre ovenproof dish and season well with salt and black pepper.
- Pairs well with roast chicken and a wide range of recipes.
- Monitor baking time to achieve a golden crust and silky interior.
The Timeless Appeal of Mary Berry Potato Gratin
For over 25 years this simple gratin has held a warm place on British tables. It blends plain ingredients into a dish that feels both special and familiar.
It serves six as written, yet it can be scaled to serve twelve for larger family gatherings. The recipe pairs especially well with roast chicken and a Sunday roast.
What keeps cooks returning is the recipe’s honesty. Few stock staples and basic cooking skills are needed. That accessibility makes it ideal for beginners and seasoned cooks alike.
“This humble dish has been a favourite at family tables for decades.”
- The author has refined these recipes for more than two decades, showing how classics endure.
- It uses simple stock ingredients and everyday pantry items.
- Serving is flexible — it serves a small family or a larger crowd with ease.
In short, the potato gratin is a celebration of home cooking that keeps winning requests from friends and guests.
Essential Ingredients for Your Kitchen
This recipe rewards careful shopping. Use a few good-quality items and the dish will offer consistent, comforting results.
Selecting the Right Potatoes
Choose waxy tubers. For the 6-person version, prepare 900g of even-sized waxy potatoes such as Désirée. Even slices cook at the same rate and give a firm, silky finish.
- Mary Berry recommends waxy varieties to help the slices hold their shape.
- Use a 1 litre (1 3/4 pint) shallow ovenproof dish for a crisp top.
- If this serves 12, double to 1.8kg of potatoes and 300ml of single cream.
The Importance of Quality Cream
Good cream makes a real difference. Use 150ml single cream for richness and a smooth texture.
- Grease the dish with 45g melted butter to add flavour and help the crust brown.
- A little garlic lifts the taste; a sprinkle of cheese between layers adds savoury depth.
- Keep a stock of fresh ingredients — simple recipes rely on quality produce.
Preparing the Potatoes for Perfect Texture
A gentle boil of the unpeeled potatoes sets the stage for soft, fluffy layers in the ovenproof dish. Boil them in salted water until the edges are tender but the centre stays slightly firm. This takes around 10–12 minutes depending on size.
Once cool enough to handle, peel the skins and use a coarse grater to shred the potato into light strands. Avoid pressing down on the grated pieces; keeping the layers loose ensures the gratin stays airy and not dense.
This prep method takes roughly 20 minutes of active time and suits a recipe that serves 6. Use a shallow ovenproof dish so the cream spreads evenly through the layers.
- Check your stock of potatoes before starting to ensure the recipe serves everyone.
- Cover the dish with foil during the early baking stage so the top does not dry out.
- These steps reflect the practical, reliable style of mary berry and help guarantee consistent cooking results.
Layering and Seasoning Techniques
How you season between each layer determines the dish’s depth of flavour. Take your time and build the bake gently. Thoughtful seasoning ensures every slice tastes the same.
The Art of Seasoning Between Layers
Season each layer of grated potatoes with a light pinch of salt and freshly ground black pepper. This lets the seasoning penetrate rather than sit on the top.
When placing the layers into the ovenproof dish, do not press them down. Keep the structure light so the cream and melted butter can move through the layers.
- Sprinkle seasoning between every layer to spread flavour evenly.
- Add a thin layer of cheese now and then for richness — it pairs well with roast chicken.
- Mix melted butter and double cream and pour as a final liquid so it reaches the edges.
- Infuse the cream with a little garlic for subtle depth before pouring.
- Cover with foil for part of the bake so the layers absorb the cream without the top browning too fast.
“Seasoning as you go is the secret to a gratin that tastes the same from first bite to last.”
This method serves 6 and turns the layering stage into a simple, meditative step. Follow these tips for a reliably creamy, well seasoned result.
Baking the Dish to Golden Perfection
The final bake is where the layers become one and the top turns that desirable golden brown. Preheat the oven to 220°C (200°C fan/400°F/Gas 7) for best results. This setting encourages a crisp top while the interior stays creamy.
Use a shallow 1 litre ovenproof dish for the standard version that serves six. For larger gatherings, choose a 2 litre (3 1/2 pint) shallow ovenproof dish for twelve people.
Bake for 20–25 minutes when the dish serves six. If you doubled the recipe and it serves twelve, allow around 40 minutes. Start covered with foil to help the layers cook through without the top drying out.
Remove foil for the last stage so the cheese and cream can bubble and the top can brown. Keep an eye on the oven during the final minutes to avoid over-browning.
- Ensure there is enough liquid — the cream and melted butter — to keep layers moist while the top crisps.
- A shallow dish gives a larger surface area for the top to caramelise and brown evenly.
- Garlic and cheese will caramelise during baking, adding an irresistible aroma to your kitchen.
| Serves | Dish size | Oven temp | Bake time |
|---|---|---|---|
| 6 | 1 litre shallow ovenproof | 220°C (200°C fan/400°F/Gas 7) | 20–25 minutes (remove foil for final browning) |
| 12 | 2 litre (3 1/2 pint) shallow ovenproof | 220°C (200°C fan/400°F/Gas 7) | ≈40 minutes (start covered, remove foil to finish) |
“By covering initially and removing foil at the end, the layers cook through while the top turns perfectly golden.”
Serving Suggestions for Family Dinners
Serve this creamy bake with hearty mains to turn a simple supper into a memorable family feast. The recipe serves 6, so it fits a typical family dinner and works well for festive gatherings that include mince pies.

Pairing with Roast Chicken
For a classic combination, place the gratin beside a succulent roast chicken. The rich cream and melted cheese of the dish match the roast chicken’s savoury juices. This pairing creates a comforting, well-rounded plate that most families will enjoy.
Serving Alongside Grilled Fish
The creamy texture contrasts beautifully with delicate grilled fish. Keep the fish simply seasoned so the flavours remain balanced. This makes the bake feel more refined while still staying homey.
Adding Fresh Salads
For a lighter meal, add a crisp green salad or a simple vinaigrette slaw. The acidity cuts through the richness and introduces fresh colour and crunch. Small changes like this help you adapt the side to the needs of your family or guests.
- Serves 6 — ideal for family meals or a festive roast.
- The dish pairs well with roast chicken, grilled meat or fish.
- Add a fresh salad to balance the cream and cheese and to brighten the plate.
Creative Variations to Customise Your Gratin
A few simple swaps make it easy to tailor the bake for health, seasonality or richer flavour.
Add thinly sliced leeks or a handful of spinach between the layers for colour and extra nutrients. Both lift the flavour without changing the basic method.
Replace some double cream with evaporated milk to create a lighter texture. Alternatively, use full-fat double cream and add crushed garlic and herbs for a more indulgent finish.
- Try thinly sliced sweet potatoes mixed with regular potatoes for extra fibre and gentle sweetness.
- When you cover foil over the dish, add caramelised onions for a sweet, deep contrast.
- Sprinkle cheese on the top, then remove foil for the last 20 minutes of baking to get a golden, bubbly crust.
This recipe serves 6 and adapts well — add chopped bacon for smoky richness that pairs beautifully with roast chicken or serve beside mince pies at a festive table.
| Variation | Effect | Best for |
|---|---|---|
| Leeks or spinach (thinly sliced) | Freshness, extra nutrients | Family meals, lighter sides |
| Partial evaporated milk | Lower fat, silkier texture | Weeknight cooking |
| Double cream + garlic | Richer flavour, creamier bite | Entertaining, indulgent dinners |
| Caramelised onions + cover foil | Sweet depth, moist layers | Festive gatherings |
“A flexible recipe means you can adapt ingredients to suit your family and the season.”
Expert Tips for Storing and Reheating
A few quick steps make reheating this classic side reliable and fuss-free. Store leftovers promptly to keep flavour and texture. Cool the dish to room temperature, then cover tightly and refrigerate.
Keep refrigerated for up to 3 days. Use an airtight container or wrap the ovenproof dish well. Portioning before storing saves time when you reheat, since this recipe serves 6.
Best Methods for Reheating
Reheat in the oven at 160°C for 15–20 minutes to revive the cream and crisp the edges without splitting the sauce. If the top is browning too fast, cover with foil to protect the cheese.
- Preheat the oven to 160°C and reheat covered for most of the time.
- Remove foil for the final few minutes to restore a golden, bubbly top.
- Avoid freezing: the high cream content can separate on thawing and spoil the texture.
- If reheating smaller portions, reduce the cooking time slightly and check after 10 minutes.
“Proper storage is key — it keeps the potatoes tasting fresh and the sauce stable.”
Follow these tips and your dish will taste nearly as good as when it first came from the oven. The extra minutes are worth the result.
Conclusion
Mastering the layering and seasoning transforms humble ingredients into a special dish. Take a few careful minutes to season each layer with salt and freshly ground black pepper for even flavour.
This recipe serves 6 and makes a dependable side at any roast or family supper. Use good cheese and a touch of garlic to lift the taste and help the top brown beautifully.
When baking, watch the final minutes so the top turns golden without drying out. The techniques here suit many recipes and pair especially well with roast chicken or a crisp salad.
Enjoy the process and share the results with your family — a simple, well-made gratin remains a favourite for years.
FAQ
What type of potatoes work best for a creamy gratin?
Can I use low-fat cream instead of double cream?
How thin should the potato slices be?
Is it necessary to parboil the slices before layering?
What oven temperature and time give the best result?
Should I season between the layers?
Can I add cheese, and when should I add it?
How can I prevent the top from burning while the centre cooks?
What are good main courses to serve with this dish?
How do I store and reheat leftovers?
Can I prepare the gratin in advance?
Are there any good variations to try?
What quantity does a standard recipe serve?
Mary Berry Potato Gratin
This classic side dish brings comfort to the family table across the United Kingdom. A respected food writer with more than 70 cookbooks refined this simple recipe so home cooks can achieve a golden, creamy finish with ease.
Ingredients
- 900g waxy potatoes
- 150ml single cream
- Salt
- Black pepper
- 45g melted butter
- Garlic (optional)
- Cheese (optional)
Method
- Preheat the oven to 220°C (200°C fan/400°F/Gas 7).
- Boil the unpeeled potatoes in salted water for 10-12 minutes until the edges are tender but the center stays firm.
- Once cool enough to handle, peel the potatoes and shred them using a coarse grater.
- Grease a 1 litre ovenproof dish with melted butter.
- Layer the grated potatoes in the dish, seasoning each layer with salt and black pepper.
- If desired, sprinkle cheese between some layers for added flavor.
- Mix the melted butter with the single cream and pour it over the layered potatoes.
- Cover the dish with foil and bake for 20-25 minutes.
- Remove the foil for the last few minutes to allow the top to brown and crisp.
- Serve warm alongside your favorite mains.
