Boulangère Potatoes
Thin potatoes and sweet thyme-scented onions bake in vegetable stock until the center is tender and the top turns crisp and golden.
Equipment
- Mandoline slicer
- 3-quart baking dish
Ingredients
- 1 sweet onion thinly sliced
- sprig of thyme
- 1 tablespoon olive oil
- 2 lb floury potatoes Yukon Gold, Maris Piper, King Edward, or Desirée red potatoes are also OK. Peeled and evenly, thinly sliced.
- 1 ¼ cups vegetable stock or any flavor you have on hand (but have a little extra available just in case you need it)
Instructions
- Heat the oven to 350°F (180°C/Gas 4). Lightly oil a shallow gratin dish. Peel and thinly slice 2 lb floury potatoes, leaving the cut slices unrinsed.
- Heat the 1 tbsp olive oil in a heavy frying pan. Add 1 sweet onion, thinly sliced, and thyme. Cook for about 5 minutes, stirring, until the onion is soft and lightly coloured. Remove the woody thyme stem.
- Cover the base of the dish with potato slices. Scatter some onion over them, then repeat the layers. Finish with an even layer of potatoes, then drizzle the thyme-scented oil left in the pan over the top.
- Pour 1 ¼ cups vegetable stock of slowly down one side so the top slices stay in place. Bake uncovered for 45-60 minutes. If the stock has been absorbed and the potatoes are still firm, warm a little more stock and pour it down the side of the dish.
- Test the center with a fork. Serve when the fork slides through the layers easily and the top is crisp and golden.
Notes
- Best type of potato for this dish is Yukon Gold as it will hold its shape but soften well, Maris Piper, King Edward, or Desirée, will also work but will soften more. You can use red potatoes cooked till tender.
- Peel potatoes and thinly slice into even thickness – do not rinse.
- Your favorite vegetables, such as carrots, parsnips, broccoli, and garlic, can be sliced and cooked with the potatoes.
Nutrition
Calories: 197kcalCarbohydrates: 45gProtein: 5gFat: 1gSaturated Fat: 0.1gPolyunsaturated Fat: 0.1gMonounsaturated Fat: 0.2gSodium: 337mgPotassium: 987mgFiber: 3gSugar: 3gVitamin A: 167IUVitamin C: 15mgCalcium: 37mgIron: 2mg
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