Boulangère Potatoes

Name: Boulangère Potatoes
Prep time: 13 min
Cook time: 23 min
Total time: 36 min
Yield: 4 servings
Cuisine: France
Ingredients: 2 finely chopped Onions; sprigs of fresh Thyme; 2 tbs Olive Oil; 1.5kg Potatoes; 425g Vegetable Stock

By The Spice & Simmer Kitchen · Published May 3, 2026

A one-pot Side recipe with France flavors, built for busy weeknights when you want real food without a sink full of dishes. Comes together in roughly 41 minutes, serves about 4, and uses ingredients you can find at any normal grocery store. The technique is simple: build a base in your pot, layer in the main ingredients, simmer until everything has had time to talk to each other, and serve straight from the pan. If you're cooking for picky eaters, this one tends to land — the flavors are recognizable, the texture is comforting, and there's nothing weird hiding in the ingredient list. Perfect for the kind of evening where you want dinner on the table by 7pm and the kitchen empty by 7:30.

Step-by-step instructions

Heat oven to 200C/fan 180C/gas 6.
Fry the onions and thyme sprigs in the oil until softened and lightly coloured (about 5 mins).
Spread a layer of potatoes over the base of a 1.5-litre oiled gratin dish.
Sprinkle over a few onions (see picture, above) and continue layering, finishing with a layer of potatoes.
Pour over the stock and bake for 50-60 mins until the potatoes are cooked and the top is golden and crisp.

Why this works on a weeknight

Boulangère Potatoes lands at about 36 minutes total — a little longer than our 30-minute target, but most of that time is hands-off simmering, which is why it earned a spot in our Sheet-Pan Dinners collection. The technique is forgiving, the ingredient list is grocery-store standard, and the active cooking time is short enough that you can answer a text message in the middle without ruining dinner.

Cleanup notes

This is a single-pan recipe, so the cleanup is exactly one pan, one cutting board, and one knife. While the dish rests, fill the pan with hot soapy water — by the time you are done eating, the residue lifts off with a single pass of a sponge. Skip the steel wool on cast iron; a stiff brush and warm water are all you need to keep the seasoning intact.

Make-ahead and leftovers

Leftovers keep covered in the fridge for up to three days. Reheat in a dry pan over medium-low with a splash of water or stock to loosen the sauce. Boulangère Potatoes actually improves overnight as the flavors keep talking to each other, so doubling the recipe and packing tomorrow's lunch is a high-leverage weeknight move.

Filed under 🍳 Sheet-Pan Dinners Side France SideDish