Pommes Boulangère

Preparation info
  • For

    4

    • Difficulty

      Easy

Appears in
Trish's French Kitchen

By Trish Deseine

Published 2008

  • About

This is the famous traditional potato dish that accompanies le rosbif. In fact it would usually cook with the beef sitting on top, benefiting from any cooking juices going. It’s equally good with roast lamb, or confit de canard, or on its own with a few lardons scattered through the layers of potato and onions.

Ingredients

  • 75 g butter
  • olive oil
  • 400 g onions, peeled and sliced thinly

Method

Preheat the oven to 200°C/400°F/gas mark 6.

Divide the butter between two separate pans. Add a little oil to each and fry the onions in one and the potatoes in the other until pale golden around the edges.

Arrange them in layers in a gratin dish, seasoning with salt and