Boulangère Potatoes

French   Side

2 tbs Huile d'olive
2 finely chopped Oignons
1.5kg Pommes de terre
sprigs of fresh Thym
425g Bouillon de légumes
  1. 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).
  2. 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.