Apple, Potato And Onion Gratin

1. 1

   preheat oven to 400 degrees. butter a 13x9 pyrex.

2. 2

   melt 6 T butter in a large nonstick skillet over medium heat. add onion, thyme and 2 t salt; saute until onion are translucent, about 10 minutes.

3. 3

   increase heat to medium-high; saute until onion are tender and begin to color, about 8 minutes longer. remove from heat. add remaining 6 T butter, 2/3 c water, wine, and sugar to skillet; stir and swirl skillet to combine. bring to a boil, then cool onion mixture to lukewarm.

4. 4

   combine potatoes, apples, remaining 2 t salt and onion mixture in large bowl; toss gently to blend.

5. 5

   transfer to prepared baking dish, spreading evenly. cover dish with parchment paper, then cover with foil, shiny side down.

6. 6

   bake gratin until potatoes are tender, about 55 minutes. uncover and bake until top browns and juices bubble thickly, about 20 minutes longer.

7. 7

   (can be made 6 hours ahead. let stand uncovered at room temperature. rewarm, loosely covered with foil, in 300 degree oven for 20 minutes.) let gratin stand 15 minutes before serving.

* Per serving · 4 servings · Values may vary.

No additional tips available.