Mary Berry Recipes

Home / Baking / Classic Boulangère Potatoes

Ah, Boulangère Potatoes! This dish, my dears, truly embodies the magic of simple ingredients coming together to create something utterly sublime. There's a certain joy in taking humble potatoes and transforming them into a showstopper, isn't there? This classic French preparation, often overshadowed by its creamier cousin, the Dauphinoise, holds a very special place in my heart for its sheer elegance and wholesome flavour. It's wonderfully unfussy, allowing the natural goodness of the potatoes to truly shine through.

Historically, this dish was baked in the local baker's oven (the 'boulanger's' oven, hence the name!) after the bread had been removed, making use of the residual heat. And while we might not all have a village baker's oven at our disposal today, the principle of slow, gentle baking remains the same, coaxing out the most incredible tenderness from each potato slice. It’s a testament to how traditional methods, even in modern kitchens, can yield the most comforting and satisfying results.

I've always found this recipe to be a true family favourite, perfect for serving alongside a succulent roast or a simple grilled chop. The thinly sliced potatoes, infused with onion and a savoury stock, emerge from the oven golden, tender, and bubbling – a sight for sore eyes and a treat for the palate. It’s a dish that brings warmth and a touch of rustic charm to any table, and I promise you, it's simpler to achieve than you might think!

Why You'll Love This Recipe

Uses everyday ingredients for a sophisticated and comforting result.
The careful layering ensures even cooking and a beautiful, rustic presentation.
A lighter, healthier alternative to cream-based gratins, allowing the pure potato flavour to truly shine.

Ingredients

1.2 kg (approx. 6-7 medium) Maris Piper or King Edward potatoes, peeled
2 large onions, thinly sliced
2 cloves garlic, crushed
750 ml hot vegetable or chicken stock
50g unsalted butter, melted, plus extra for greasing
Fresh thyme sprigs (optional)
Salt and freshly ground black pepper

Equipment Needed

Large, shallow ovenproof dish (approx. 25x30cm) • Sharp knife or mandoline • Measuring jug • Small saucepan (for stock) • Foil

Step-by-Step Instructions

**Prepare your ingredients**: Begin by preheating your oven to 180°C (160°C fan/Gas Mark 4). Lightly grease a large, shallow ovenproof dish (approximately 25x30cm) with a little butter. This ensures nothing sticks, my dears, and gives a lovely golden crust.
**Slice the potatoes and onions**: Using a mandoline or a very sharp knife, thinly slice the peeled potatoes into even rounds, about 2-3mm thick. Do the same with the onions. The thinner and more even, the better the texture of your finished dish will be.
**Layer the dish**: Arrange a layer of potato slices over the bottom of your prepared dish, overlapping them slightly. Season generously with salt and pepper. Scatter a third of the sliced onions and a third of the crushed garlic over the potatoes.
**Repeat the layering**: Continue to layer the potatoes, seasoning, onions, and garlic in the same manner, creating three distinct layers. Finish with a final layer of potatoes on top.
**Add the stock and butter**: Carefully pour the hot stock over the layered potatoes. Ensure it comes almost to the top layer, but doesn't completely submerge the very top. Drizzle the melted butter evenly over the surface. If you're using thyme, tuck a few sprigs among the layers or on top.
**Bake to perfection**: Cover the dish tightly with foil. Bake for 45 minutes. This initial covered bake allows the potatoes to steam and become wonderfully tender.
**Uncover and brown**: Remove the foil and continue to bake for another 30-40 minutes, or until the potatoes are beautifully golden brown on top and thoroughly tender when pierced with a knife. The stock should be mostly absorbed, leaving a luscious, flavourful base.
**Rest and serve**: Once baked, remove from the oven and let it stand for 5-10 minutes before serving. This allows the dish to settle and makes for easier serving. Serve hot and enjoy this truly comforting classic!

Perfect Substitutions

**Potatoes**: While Maris Piper or King Edward are ideal, Desiree or Yukon Gold can also work beautifully. Avoid very waxy potatoes as they may not absorb the stock as well.
**Stock**: Chicken stock provides a richer flavour, but a good quality vegetable stock is perfectly delightful for a vegetarian option.
**Onions**: Shallots can be used for a milder, sweeter onion flavour.
**Garlic**: If fresh garlic isn't available, a quarter teaspoon of garlic powder can be used per clove, though fresh is always best, my dears!

Serving Suggestions

This versatile dish is simply divine alongside a traditional Sunday roast – think succulent lamb, a perfectly cooked beef joint, or even a lovely roasted chicken. It also complements grilled fish or a hearty vegetarian main course beautifully. A simple green salad with a sharp vinaigrette would provide a lovely contrast to the richness. If you enjoyed this, you might also love our Classic Savoury Cheese Scones and Classic Coffee and Walnut Cake.

How to Store \u0026 Reheat

Leftover Boulangère Potatoes can be stored in an airtight container in the refrigerator for up to 3 days. To reheat, place individual portions in the microwave until piping hot, or cover the dish with foil and warm through in a moderate oven (160°C/140°C fan/Gas Mark 3) for about 20-30 minutes, or until heated through. Be careful not to dry them out, my dears.

Mary's Secrets to Success

My dears, the secret to truly outstanding Boulangère Potatoes lies in the uniform thickness of your potato slices. A mandoline is a wonderful tool here, as it ensures each slice cooks evenly, leading to that melt-in-the-mouth texture. Don't be shy with the seasoning between layers; it's what builds those lovely flavours throughout the dish. And finally, allow it a little rest after baking – it truly makes all the difference for a perfectly settled and sliceable potato bake. Sheer perfection, I promise you!

Frequently Asked Questions

Why are my potatoes not tender enough?

Ah, this can happen if the slices are too thick or if the dish wasn't covered tightly enough during the initial baking. Ensure your potato slices are uniformly thin (2-3mm) and that the foil forms a good seal to trap the steam, which helps tenderise them wonderfully. Also, make sure your oven temperature is accurate.

Can I prepare this dish ahead of time?

You certainly can, up to a point! You can slice the potatoes and onions and layer them in the dish. Then, pour over the cold stock and melted butter, cover, and refrigerate for up to 24 hours. When ready to bake, bring it to room temperature for about 30 minutes before baking as per the instructions, adding an extra 10-15 minutes to the covered baking time.

How do I prevent the top from drying out or burning?

Keeping the dish covered with foil for the first part of the baking is crucial for moisture. When you remove the foil, keep an eye on it. If the top is browning too quickly before the potatoes are tender, you can loosely tent it with foil again for the remaining cooking time.

What kind of stock is best to use?

A good quality vegetable stock will yield a lovely, clean flavour, making it suitable for everyone. However, if you're not catering for vegetarians, a good chicken stock adds a wonderful depth of savoury flavour that I find simply irresistible.

Can I add cheese to Boulangère Potatoes?

Traditionally, Boulangère Potatoes do not contain cheese, as their charm lies in the pure flavour of potatoes, onions, and stock. If you're after a cheesy potato bake, you might be thinking of a Gratin Dauphinoise! However, if you truly wish, a little sprinkle of Parmesan or Gruyère over the top for the last 15 minutes of baking would certainly be delicious, though it would make it less 'boulangère' and more of a cheesy gratin.